Carcinoma in situ of skin of left lower eyelid, including canthus

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2019 onwards.

What has happened to this code

Every change the publisher made, from 2019 to now.

FY2019 Added to the code set Carcinoma in situ of skin of left lower eyelid, including canthus

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from D04 Carcinoma in situ of skin

Excludes1 - never coded here

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

Inherited from the D00-D09 section In situ neoplasms (D00-D09)

Includes

Bowen's disease
erythroplasia
grade III intraepithelial neoplasia
Queyrat's erythroplasia

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Neoplasm, neoplastic > lid
Neoplasm, neoplastic > canthus
Neoplasm, neoplastic > palpebra
Neoplasm, neoplastic > skin NOS > lid
Neoplasm, neoplastic > meibomian gland
Neoplasm, neoplastic > skin NOS > eyelid
Neoplasm, neoplastic > skin NOS > canthus
Neoplasm, neoplastic > skin NOS > palpebra

Codes in the same group

Code	Description	Status
D04.121	Carcinoma in situ of skin of left upper eyelid, including canthus	Valid