Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

D04

Carcinoma in situ of skin

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
D04.0Carcinoma in situ of skin of lipBillable
D04.1Carcinoma in situ of skin of eyelid, including canthusCategory
D04.10Carcinoma in situ of skin of unspecified eyelid, including canthusBillable
D04.11Carcinoma in situ of skin of right eyelid, including canthusCategory
D04.111Carcinoma in situ of skin of right upper eyelid, including canthusBillable
D04.112Carcinoma in situ of skin of right lower eyelid, including canthusBillable
D04.12Carcinoma in situ of skin of left eyelid, including canthusCategory
D04.121Carcinoma in situ of skin of left upper eyelid, including canthusBillable
D04.122Carcinoma in situ of skin of left lower eyelid, including canthusBillable
D04.2Carcinoma in situ of skin of ear and external auricular canalCategory
D04.20Carcinoma in situ of skin of unspecified ear and external auricular canalBillable
D04.21Carcinoma in situ of skin of right ear and external auricular canalBillable
D04.22Carcinoma in situ of skin of left ear and external auricular canalBillable
D04.3Carcinoma in situ of skin of other and unspecified parts of faceCategory
D04.30Carcinoma in situ of skin of unspecified part of faceBillable
D04.39Carcinoma in situ of skin of other parts of faceBillable
D04.4Carcinoma in situ of skin of scalp and neckBillable
D04.5Carcinoma in situ of skin of trunkBillable
D04.6Carcinoma in situ of skin of upper limb, including shoulderCategory
D04.60Carcinoma in situ of skin of unspecified upper limb, including shoulderBillable
D04.61Carcinoma in situ of skin of right upper limb, including shoulderBillable
D04.62Carcinoma in situ of skin of left upper limb, including shoulderBillable
D04.7Carcinoma in situ of skin of lower limb, including hipCategory
D04.70Carcinoma in situ of skin of unspecified lower limb, including hipBillable
D04.71Carcinoma in situ of skin of right lower limb, including hipBillable
D04.72Carcinoma in situ of skin of left lower limb, including hipBillable
D04.8Carcinoma in situ of skin of other sitesBillable
D04.9Carcinoma in situ of skin, unspecifiedBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.