D02.4
Billable codeCarcinoma in situ of respiratory system, unspecified
The ICD-10 code for carcinoma in situ of respiratory system, unspecified is D02.4.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D02.0Carcinoma in situ of larynx
- D02.1Carcinoma in situ of trachea
- D02.2Carcinoma in situ of bronchus and lungnon-billable header
- D02.3Carcinoma in situ of other parts of respiratory system
- D02.4Carcinoma in situ of respiratory system, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2319
Associated MS-DRGs
D02.4 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.