Carcinoma in situ of middle ear and respiratory system (D02) ICD-10-CM
The D02 code range covers carcinoma in situ of middle ear and respiratory system with 9 ICD-10-CM diagnosis codes. 7 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
- code to identify:
- exposure to environmental tobacco smoke Z77.22
- exposure to tobacco smoke in the perinatal period P96.81
- history of tobacco dependence Z87.891
- occupational exposure to environmental tobacco smoke Z57.31
- tobacco dependence F17
- tobacco use Z72.0
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- melanoma in situ D03
Codes in the D02 Range 9 codes · 7 billable
- D02 Carcinoma in situ of middle ear and respiratory systemNon-billable
- D02.0 Carcinoma in situ of larynx
- D02.1 Carcinoma in situ of trachea
- D02.2 Carcinoma in situ of bronchus and lungNon-billable
- D02.20 Carcinoma in situ of unspecified bronchus and lung
- D02.21 Carcinoma in situ of right bronchus and lung
- D02.22 Carcinoma in situ of left bronchus and lung
- D02.3 Carcinoma in situ of other parts of respiratory system
- D02.4 Carcinoma in situ of respiratory system, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the D02 range.
Laryngeal Carcinoma In Situ
An intraepithelial carcinoma that arises from the larynx without evidence of invasion.
Tracheal Carcinoma In Situ
A carcinoma that arises from the tracheal mucosa and is confined to the epithelial layer without evidence of further tissue invasion.
About the D02 Code Range
Carcinoma in situ in this category concerns the middle ear and respiratory system. The listed subdivisions separate respiratory sites.
D02.0 names the voice box (larynx), and D02.1 names the windpipe (trachea). D02.2 groups the bronchus and lung, with subdivisions for an unspecified site, the right side, and the left side. D02.3 names other respiratory parts; D02.4 leaves the respiratory site unspecified.
Questions About This Page
How many billable codes are in the D02 range?
Of the 9 codes in this range, 7 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the D02 range classify?
The range classifies carcinoma in situ of middle ear and respiratory system. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
