ICD-10-CM 2027 diagnosis code

D04.1Carcinoma in situ of skin of eyelid, including canthus

Not billable — use a more specific code

D04.1 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About D04.1

D04.1 is the ICD-10-CM diagnosis code for carcinoma in situ of skin of eyelid, including canthus. It belongs to category D04 (carcinoma in situ of skin), 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 D04 (carcinoma in situ of skin), D04.1 is specifically for carcinoma in situ of skin of eyelid, including canthus. Related codes cover of lip (D04.0), of ear and external auricular canal (D04.2), of other and unspecified parts of face (D04.3), of scalp and neck (D04.4), of trunk (D04.5), of upper limb, including shoulder (D04.6), of lower limb, including hip (D04.7), of other sites (D04.8) and 1 more.

To report this condition, pick the subcode that matches the documentation: D04.10 (canthus), D04.11 (canthus) and D04.12 (canthus).

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

Specific codes under D04.1

Notes that apply from higher levels

Instructions written at a parent level also apply to D04.1.

› From D04 Carcinoma in situ of skin

Excludes1

erythroplasia of Queyrat (penis) NOS (D07.4)
melanoma in situ (D03.-)

Broader instructions also apply from D00-D09 In situ neoplasms and Chapter 2: Neoplasms.

Table of Drugs & Neoplasms entries

Neoplasm, neoplastic › canthus (eye) (inner) (outer) — Ca in situ
Neoplasm, neoplastic › lid (lower) (upper) — Ca in situ
Neoplasm, neoplastic › meibomian gland — Ca in situ
Neoplasm, neoplastic › palpebra — Ca in situ
Neoplasm, neoplastic › skin NOS › canthus (eye) (inner) (outer) — Ca in situ
Neoplasm, neoplastic › skin NOS › eyelid — Ca in situ
Neoplasm, neoplastic › skin NOS › lid (lower) (upper) — Ca in situ
Neoplasm, neoplastic › skin NOS › palpebra — Ca in situ

Codes whose notes reference D04.1

D09.2Excludes1

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about D04.1

Is D04.1 billable?: No. D04.1 is a header code. Report one of its more specific subcodes instead.