D04.2 - Carcinoma in situ of skin of ear and external auricular canal

The ICD 10 Code for Carcinoma in situ of skin of ear and external auricular canal is listed as D04.2.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	D04.2
Description:	Carcinoma in situ of skin of ear and external auricular canal

Chapter	Neoplasms (C00-D49)
Block	In situ neoplasms (D00-D09)
Parent	D04 - Carcinoma in situ of skin
ICD-10-CM Children (deeper level / typically more specific) of D04.2:
D04.20 - Carcinoma in situ of skin of unspecified ear and external auricular canal
D04.21 - Carcinoma in situ of skin of right ear and external auricular canal
D04.22 - Carcinoma in situ of skin of left ear and external auricular canal
ICD-10-CM Siblings (same level / similar specificity) of D04.2:
D04.0 - Carcinoma in situ of skin of lip
D04.1 - Carcinoma in situ of skin of eyelid, including canthus
D04.3 - Carcinoma in situ of skin of other and unspecified parts of face
D04.4 - Carcinoma in situ of skin of scalp and neck
D04.5 - Carcinoma in situ of skin of trunk
D04.6 - Carcinoma in situ of skin of upper limb, including shoulder
D04.7 - Carcinoma in situ of skin of lower limb, including hip
D04.8 - Carcinoma in situ of skin of other sites
D04.9 - Carcinoma in situ of skin, unspecified