D09.20 Carcinoma in situ of unspecified eye

Billable ICD-10-CM code, FY2026.

Applies from D09 Carcinoma in situ of other and unspecified sites

Excludes1 (never code together)

• melanoma in situ (D03.-)

Applies from D09.2 Carcinoma in situ of eye

Excludes1 (never code together)

• carcinoma in situ of skin of eyelid (D04.1-)

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 234.0 Carcinoma in situ of eye (approximate)

Nearby codes

• D09.0 Carcinoma in situ of bladder
• D09.1 Carcinoma in situ of other and unspecified urinary organs
• D09.10 Carcinoma in situ of unspecified urinary organ
• D09.19 Carcinoma in situ of other urinary organs
• D09.2 Carcinoma in situ of eye
• D09.20 Carcinoma in situ of unspecified eye (this code)
• D09.21 Carcinoma in situ of right eye
• D09.22 Carcinoma in situ of left eye
• D09.3 Carcinoma in situ of thyroid and other endocrine glands
• D09.8 Carcinoma in situ of other specified sites
• D09.9 Carcinoma in situ, unspecified