b. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . ICD-10-CM guideline I. The see also instruction in the ICD-10-CM index follows a subterm and refers the coder to another main term that: a. This indicates the sequencing. 414, Non-pressure chronic ulcer of right heel and midfoot with necrosis of bone. The SEE ALSO instructional note. 10 is a valid billable ICD-10 diagnosis code for Social phobia, unspecified . It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . In ICD-10-CM there are no supplementary classifications. Instructional notes appear in the Alphabetical Index and Tabular List • INCLUDES: This. ” Verified questions. In the Alphabetic Index, following the main term “sequela,” is the direction term “see also condition” to remind the coder that other entries in the Alphabetic Index are. 4. combination. The location of the includes note determines the category or block of category codes that the note governs. The instructional note “Use additional code” (B95–B97) is found in the Tabular List of ICD- 10-CM under Code N39. The abbreviation NEC appears with main terms for which no specific code exists. In the ICD-10-CM tabular, the coder will see notes under the Category J91. ↓ See below for any exclusions, inclusions or special notations. which may or may not be followed by the ICD-9-CM code number, nonessential modifiers, or followed by Instructional Notes. Learn your Medical Coding Conventions and Guidelines. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. instructional notes. 9) Under the Category I50 in the ICD-10-CM. The underlying disease must be first sequenced, accompanied by the manifestation, according to the ICD-10-CM coding rule. 2. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases. This notation indicates that use of an additional code may provide a more complete picture of the diagnosis or procedure. Cholecystitis would be reported in the ICD-10-CM chapter entitled _____. The "Use additional code" _____. R91. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. the etiology/ manifestation guideline B. A "use additional code" note will normally be found at the infectious disease code, indicating a need for the organism code to be added as a secondary code. K86. 3 is exempt from POA reporting ( Present On Admission). ↓ See below for any exclusions, inclusions or special notations. Verified answer. However, if the coder also sees the instructional note of "Use an Additional Code" in the ICD 10 CM Code Book in the Tabular List, the coder would then also provide an additional code to provide. NOS. assign an additional code only if the “additional” condition is documented in the health record as being present. . An instructional note for Chapter 1 where B95. 891)The ICD-10-CM is divided into the Alphabetic Index, an alphabetical list of terms and their corresponding code, and the Tabular list, a chronological list of codes divided into chapters based on body system or condition. Tuberculous erythema nodosum is coded to L52. c. A use additional code note is present at category D70 which instructs to “Use additional code for any associated: fever (R50. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. 9 ) In the example, we see three distinct conditions listed individually in the Assessment and Plan that are all represented in one combination code. Group of answer choices. What is the ICD-10-CM code for hay fever?Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. In the following problem, find polar and Cartesian forms for all three cube roots of the complex number. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 13 (Etiology/Manifestation Convention) "In addition to the notes in the Tabular List, these conditions also have a specific Alphabetic Index entry structure. The patient is alcohol dependent. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. ” 1. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 9 is a valid billable ICD-10 diagnosis code for Male erectile dysfunction, unspecified . Instructional notes also indicate when additional codes are required to fully describe the condition you are coding. ) Assign codes to the highest possible level of detail. In most cases the manifestation codes will have in the code title, "in diseases. E11. Parallel ICD-9-CM Code Guidelines Increased Instruction Notes (Code first; Use Additional Code) Enhanced Combination Codes Updated Terminology to Reflect Current Medical Practices COPD (J44-J45) Acute exacerbation is a worsening or decompensation of a chronic condition An acute exacerbation is NOT equivalent to an infectionin ICD-10-CM/PCS uses an indented arrangement. What is the ICD-10-CM code for nausea? R11. 22)” applies to All codes in ICD-10-CM Chapter 10. ) Assign combination codes when available. For influenza NOS (not otherwise specified), ICD-10 directs you to use J11. 1 should be reported as the principal or first diagnosis, regardless of whether the patient's most recent COVID-19 test. This code is sequenced second because the reason the patient was admitted was to treat the hepatitis. Which of the following is a valid ICD-10-CM code from the Tabular List of Diseases and Injuries?The “use additional code” note appears at the etiology and a “code first” note at the manifestation code. A note under category J01 Acute sinusitis states that an additional code (B95-B97) is used to identify the infectious agent, if known. Combination codes would be reported for these. "code first" and "use additional code" are examples of A. 1 - N18. 01. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 0. Etiology or the first disease must be coded first. In most cases the manifestation codes will have in the code title, “in. 0. In most cases the manifestation codes will have in the code title, "in diseases. 13. conventions. The additions. Alphabetic Index. • Read and follow instructions • Includes & Exclude notes • Use additional code • Code first underlying disease • Code also • Character requirements – 4th, 5th, 6th, & 7th • Age and gender 6 . Use additional code to identify type of heart failure (I50. -) and a note to use an additional code to identify: •Exposure to environmental tobacco smoke (Z77. Wherever such a combination exists, there is a “use additional code” note at the etiology code and a “code first” note at the manifestation code. See Note: an instruction following the main term in the Alphabetic Index that indicates that another term should be referenced - for correct coding it is necessary to go to the main term referenced with this note. In most cases the manifestation codes will have in the code title, "in diseases. In most cases the manifestation codes will have in the code title, 'in diseases. However, in general, audiology related. This convention instructs you to “Code first” the underlying condition, followed by etiology and/or manifestations. In most cases the manifestation codes will have in the code title, "in diseases. and more. Instructional notes, punctuation marks, abbreviations, and symbols. E26. 4. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. J96. antonyms of code titles or "unspecified" terms. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . These items provide guidelines for using the code set. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. An instructional note with category Z16 says to code first the infection. Code N18. -) Use additional code to identify stage of chronic kidney disease ( N18. -). 0 says to use additional code (B95-B97), to identify infectious agent. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. Instructional notes indicate the proper sequencing order of these conditions-etiology (underlying condition) followed by manifestation. View Feedback 1 / 1 point If this were a subsequent encounter for treatment, would the place of injury be reported? Question options: 1 / 1 point What additional code(s) are we advised to use? Question options: e additional code to indicate other abnormalities of forces of labor 062. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 4-)Study with Quizlet and memorize flashcards containing terms like These _____ are incorporated within the Alphabetic Index and Tabular List of the ICD--CM as instructional notes, The conventions and instructions of the classification take precedence over _____, The _____ _____ is an alphabetical list of terms and their corresponding code. Instructional notes in the Alphabetic Index and the Tabular List guide coders when selecting ICD-10-CM codes by providing additional instructions. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. Table of Drugs and Chemicals. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. Look for Cirrhosis/liver/alcoholic and you are directed to K70. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. sometimes used to inform, describe circumstances or give additional information about a term or. These instructional notes indicate the proper sequencing order of the codes: etiology, followed by manifestation. 3. 7th Character Certain ICD-10-CM categories have applicable 7th characters. Patient present with anemia and is admitted for transfusion. Good morning, I am wanting to clarify some red instructional notes in the code book. – The code for the underlying disease will also have an instructional note in the Tabular List to “use additional code” for the manifestation. d. 7 th Characters Certain ICD-10-CM categories have applicable 7 th characters. [E. Mar 5, 2021. Wherever such a combination exists, there is a use additional code¨ note at the etiology code, and a, ¨code first¨note at the manifestation code. Z71. 15. When there is a "Code first" note and an underlying condition is present the:-instructional note (Code first) should be followed. combination exists there is a “use additional code” note at the etiology code and a “code first” note at the manifestation code. For instance, if a patient has a diabetes, the coder may use the code E11. There is a. algebra2. These instructional notes indicate the proper sequencing order of the codes, etiology flowed by. 4-I51. In most cases the manifestation codes will have in the code title, "in diseases. In most cases the manifestation codes will have in the code title, "in diseases. provide general information on usage in a specific section. instructs the coder to select a code to represent the etiology that caused the manifestation. 1. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. must be sequenced second as the underlying condition code. E86. The Use additional code note appears at the etiology code and a Code. When you look up this code in the Tabular List, you’ll find an instructional note to “Code also” adrenal adenoma (D35. – Indicates that code identified in the note and code where the note appears cannot be reported together because the 2 conditions cannot occur together Example:. 22)” applies to. In most cases the manifestation codes will have in the code title, "in diseases. Which is not an instructional note under Transport Accidents? Use additional code to identify: failure to use seatbelt. Wherever such a combination exists, there is a “use additional code” note at the etiology code and a “code first” note at the manifestation code. , specific ear diseases) may be more extensive, contain additional . General notes. In this case, the PDX of hypertensive heart disease with CHF (I11. In most cases the manifestation codes will have in the code title, "in diseases. Use additional code. When using code R45. ( True/False) Question. but provide additional instruction. 30. 10. E66. Examples of these notes include: Use additional code to identify the infectious agent; Use additional code to identify the virus; Code first any associated lung abscess Code First/Use additional code These instructional notes provide sequencing instruction. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . 850 is a valid billable ICD-10 diagnosis code for Homicidal ideations . -). 22 ? Type 1 diabetes mellitus with chronic kidney disease due to conditions. You will also find instructional notes that say code first or use additional code. 65 is a valid billable ICD-10 diagnosis code for Type 1 diabetes mellitus with hyperglycemia . Wherever such a combination exists, there is a ‘use additional code’ note at the etiology code, and a ‘code first’ note at the manifestation code. In most cases the manifestation codes will have in the code title, "in diseases. The diagnosis codes (Volumes 1-2) have been adopted under HIPAA for all healthcare settings. Code Also –A “code also” note instructs that two codes may be required to fully describe a condition, but the sequencing of the two codes depends on the severity of the conditions and the reason for the encounter. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . 0 is a valid billable ICD-10 diagnosis code for Abdominal distension (gaseous) . These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. On the etiology side, the etiology/manifestation combination is signaled by the instructional note “use additional code,” present at the level of the category. This notation indicates that use of an additional. 2x-3y=-2 x+y=-6. An instructional note in ICD-10-CM for intellectual disabilities (F70 through F79) directs coders to: a. Korsakoff's (Wernicke) disease, psychosis or. 9 (Diabetes mellitus type 2 without complications) to code this diagnosis. These conventions are incorporated within the Index and Tabular List of the ICD-10-CM as instructional notes. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. All ICD-10-CM Index to Diseases and Injuries subterms associated with an index entry's main term are indented two spaces, with any 2nd and 3rd qualifiers associated with the main term further indented by two and four spaces, respectively. 891) tobacco dependence (F17. C. When it applies, codes missing this character are. contains the code that is to be. Wherever such a combination exists there is a 'use additional code' note at the etiology code, and a 'code first' note at the manifestation code. ↓ See below for any exclusions, inclusions or special notations. C. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. means "not coded here" The "code first" note _____. Codes mentioned in articles are linked to Code Information pages. M48. 00, N30. Select one: a. Wherever such a combination exists, a Use additional code note is found with the etiology code, and a Code first note is found with the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 6. A 3-year-old patient was brought in to the physician's office by her mother because of fever, fussiness, and tugging at the right ear. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. Wherever such a combination exists there is a 'use additional code' note at the etiology code, and a 'code first' note at the manifestation code. Includes Note. 82) exposure to environmental tobacco smoke (Z77. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. -). Manifestations are listed as additional codes. Make sure to review pairs of ‘Use additional code’ notes at the etiology code, and ‘Code first’ notes at the manifestation code to ensure proper sequencing order in the guidance,” Blanchard adds. The additions for FY 2021 presently pushing the number of codes to over 70,000. such a combination exists there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. ICD-10-CM: type 2 DM with diabetic CKD (E11. 00 is found in the ICD-10-CM chapter entitled _____. In most cases the manifestation codes will have in the code specific eye involved). Square brackets are used: In the Alphabetic Index to enclose the manifestation of a disease. There is no information of the infectious agent and no additional code is reported. In the tabular list, code first and use additional code instructional notes indicate the proper sequencing order of what conditions Certain conditions that have both an underlying etiology and multiple body system manifestations due to the underlying etiology instructional notes indicate a proper sequencing order of these conditions etiology. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . 1–N18. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. Dysphagia, unspecified Billable Code. 6). "Code first". In most cases the manifestation codes will have in the code title, "in diseases. ” Per the coding guidelines, this instructional note is found in the Tabular List with codes that are not part of an etiology/manifestation pair where a secondary code is useful to fully describe a condition. " d. This note indicates that an additional code should be used, if available. If a patient is documented as having both MRSA colonization and infection during a hospital admission, code Z22. R13. C. Codee F10. Look for Cirrhosis/liver/alcoholic and you are directed to K70. 01 Conn’s syndrome. The International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) is a morbidity classification published by the Centers for Medicare and Medicaid Services. locate main term in index. A postcoordination instructional note labeled “Has manifestation (use additional code, if desired)” is a reminder to the user that, depending on the case being coded, it is allowable to post-coordinate any manifestations with the underlying condition. ”. As with all DM categories, an Excludes 1 note excludes all other DM, including gestational, neonatal, and postprocedural. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. d. 31) •Tobacco dependence (F17. 11, and reads: “A type 1 Excludes note is a pure excludes note. 0. A) Use "additional code" note. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 16. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. 12. The notes also remind the code to use an additional (secondary) code to show the dialysis status (Z99. Examples of these notes include: Use additional code to identify the infectious agent; Use additional code to identify the virus; Code first any associated lung abscessCode First/Use additional code These instructional notes provide sequencing instruction. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. 2 is a valid billable ICD-10 diagnosis code for Pelvic and perineal pain . BracketsCode Also Instructional Note The Code Also note is used in ICD-10-CM to instruct the coder that two codes may be needed to fully code a diagnostic phrase. In most cases the manifestation codes will have in the code title, "in diseases. 1 is a valid billable ICD-10 diagnosis code for Postlaminectomy syndrome, not elsewhere classified . 1 states: Hypertension with heart conditions classified to I50. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. J30. Pay attention to the instructional notes in the tabular list (see yellow highlighted areas). The note,. ↓ See below for any exclusions, inclusions or special notations. Z98. 31) •Tobacco dependence (F17. N30. R10. located below certain codes in the tabular list. provide general information on usage in a specific section. These conventions are incorporated within the Alphabetic Index and Tabular List of ICD-10-CM as instructional notes. An instructional note in ICD-10-CM for intellectual disabilities (F70 through F79) directs coders to: a. b. In disease classified else. D33. At the beginning of Chapter 10, Diseases of the Respiratory System (J00-J99) there is an instructional note to Use additional code, where applicable, to identify tobacco dependence (F17. d. The implementation of ICD-10-CM coding brought about significant changes to the world of coding. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . It consists 1. Code first any follow-up examination after treatment of malignant neoplasm (Z08). After looking up a code in the Alphabetic Index it should be verified by checking the __. infection. 322, Carrier or suspected carrier of Methicillin-resistant Staphylococcus aureus, and a code for the MRSA infection may both be assigned. Code First/Use Additional Code notes (etiology/manifestation paired codes) Certain conditions have both an underlying etiology and multiple body system. With: The words "with" or "in" should be interpreted to mean "associated with" or "due to" when it appears in a code title, the Alphabetic Index, either under a main term or subterm, or an instructional note in the Tabular List. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. 20 c. 9. , Instructional notes appear in both the Tabular List and Alphabetic Index of ICD-10-CM. In most cases the manifestation codes will have in the code title, "in diseases. 10. -) Use additional code to identify stage of chronic kidney disease ( N18. Study with Quizlet and memorize flashcards containing terms like combination codes for. In addition,. ) Assign multiple codes when required (usually coder will be guided to do this by additional instructional notes in the ICD-9. What is the correct 7th character for single gestation? 0. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. The code for alcohol dependence is located by indexing the main term "Alcoholism". Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. Patient has type 2 DM with diabetes-related CKD stage 3. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 11, there is a “Code first” instruction for complications of bone marrow transplant and stem cell transplant complication. 4 , N18. ICD-10-CM;The "See Also" instructional note is a coding guideline that refers the coder to another code or group of codes in the Tabular List of the International Classification of Diseases (ICD). In most cases the manifestation codes will have in the code title, "in diseases. Correct Answer : Add an additional character to the code . 7th Character Certain ICD-10-CM categories have applicable 7th characters. subcategory notations D. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. Coding Notes for Chapter 10 Chapter Notes: When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e. Code First. The point dash appears to signal to the coder that _____. 891) •Occupational exposure to environmental tobacco smoke (Z57. Excludes 1: fever and chills. “See” and “See Also” –The “see” instruction following a main term in theCategory I10-I16 has an instructional note to use an additional code to identify tobacco exposure. The "use additional code" note is. a. These are sequencing instructions that must be followed. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. Additional Instructional Notes Excludes -1 Under a three digit category code, an Excludes 1 designation means that the code is NOT CODED HERE and indicates that two codes are mutually exclusive and therefore cannot be coded as separate codes in same encounter (example E66). R45. In most cases the manifestation codes will have in the code title, “inWherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. 5 Chronic kidney disease, stage 5 states that this code excludes “chronic kidney disease, stage 5 requiring chronic dialysis (N18. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code. The coder must use the main term Infection, bacterial, as cause of disease classified, Klebsiella to locate the additional code of B96. use both the code and the excluded code together. 59 (and not a code from category 438) as an additional code for history of cerebrovascular disease when no neurologic deficits are present. These instructions signal the coder that an additional code should be reported to provide a more complete picture of that diagnosis. " In the "Index to Diseases," the multiple coding requirement is. code first underlying disease. Location. In most cases the manifestation codes will have in the code title, "in diseases. These instructional notes indicate the proper. A “code first underlying disease” instructional note will appear with the. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. when the note appears under a code, it is acceptable. “These are the ‘code first,’ ‘use additional code,’ and ‘in diseases classified elsewhere’ notes you see in the Tabular section of ICD-10,” Blanchard. M79. In most cases the manifestation codes will have in the code title, "in diseases. 850. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. 8. In most cases the manifestation codes will have in the code title, "in diseases. The "use additional code" note will be found under the associated condition code in the "Tabular List of Diseases. INSTRUCTIONAL NOTES Excludes1&2 Tip: Excludes1: Only 1 code can be used Excludes2: 2 codes can be use if both are appropriate and there is proper documentation for both 11/19/2015 17 INSTRUCTIONAL NOTES • “Code First” & “Use Additional Code” • Used for Sequencing Priority – Found in TabularUse of "Code also" or "Use Additional code" Instructions in ICD 10 coding for medical coders. the use of ICD 9 codes is mandated by HIPAA for. The guidelines in ICD-9-CM include an additional instructional note to “Use an additional code to identify the stage of chronic kidney disease. Your Answer:true Appendix C contains coding examples to assist in. Wherever such a combination exists there is a "Use Additional Code" note at the etiology code, and a "Code First" note at the manifestation code. 673 is a valid billable ICD-10 diagnosis code for Pain in unspecified foot . These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. As a result, it is crucial to follow the symbols, conventions, instructional notes, and guidelines mentioned throughout the book. "Code first underlying condition" note OC. ) Assign combination codes when available. Excludes 1: atypical face pain due to fever and chills. Fully searchable through Find-A-Code's Comprehensive Search. 2019. Notes provide information on code selection. 6 exists, there is a “use additional code” note at the etiology code and a “code first” note at the manifestation code.