D09.2Carcinoma in situ of eye

D09.2 is the ICD-10-CM diagnosis code for carcinoma in situ of eye. It belongs to category D09 (carcinoma in situ of other and unspecified sites), block D00-D09 (in situ neoplasms) and chapter 2 (neoplasms). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within D09 (carcinoma in situ of other and unspecified sites), D09.2 is specifically for carcinoma in situ of eye. Related codes cover situ of bladder (D09.0), situ of other and unspecified urinary organs (D09.1), situ of thyroid and other endocrine glands (D09.3), situ of other specified sites (D09.8) and situ, unspecified (D09.9).

To report this condition, pick the subcode that matches the documentation: D09.20 (eye), D09.21 (eye) and D09.22 (eye).

Don't report D09.2 together with the conditions in its Excludes1 note: carcinoma in situ of skin of eyelid (D04.1-).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.