D04
⚠ Non-billable
Carcinoma in situ of skin
ICD-10-CM · FY2026 · Neoplasms
Code
D04
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D04?
ICD-10-CM code D04 represents Carcinoma in situ of skin. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D04 billable?
No. D04 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is D04 in?
D04 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D04 category
D04.0
Carcinoma in situ of skin of lip
Billable
D04.1
Carcinoma in situ of skin of eyelid, including canthus
Non-billable
D04.2
Carcinoma in situ of skin of ear and external auricular canal
Non-billable
D04.3
Carcinoma in situ of skin of other and unspecified parts of face
Non-billable
D04.4
Carcinoma in situ of skin of scalp and neck
Billable
D04.5
Carcinoma in situ of skin of trunk
Billable
D04.6
Carcinoma in situ of skin of upper limb, including shoulder
Non-billable
D04.7
Carcinoma in situ of skin of lower limb, including hip
Non-billable
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