ICD-10-CM › C00-D49 › D00-D09 › D04 Carcinoma in situ of skin › D04.9
Carcinoma in situ of skin, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Carcinoma in situ of skin, unspecified
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.
- Melanosarcoma
- Nevocarcinoma
- Rhabdosarcoma
- Leiofibromyoma
- Melanoblastoma
- Myoma > uterus
- Melanocarcinoma
- Tumor > fibroid
- Mole > cancerous
- Melanoepithelioma
- Nevus > malignant
- Myofibroma > uterus
- Sarcoma > melanotic
- Nevus > blue > malignant
- Lentigo > maligna > melanoma
- Freckle > malignant melanoma in
- Melanosarcoma > epithelioid cell
- Mole > malignant > meaning > melanoma
- Melanosis > precancerous > malignant melanoma in
- Nevus > pigmented > giant > malignant melanoma in
- Hutchinson's > melanotic freckle > malignant melanoma in
- Neoplasm, neoplastic > nail
- Neoplasm, neoplastic > scar NEC
- Neoplasm, neoplastic > skin NOS
- Neoplasm, neoplastic > skin NOS > limb NEC
- Neoplasm, neoplastic > sweat gland, site unspecified
- Adenocarcinoma > apocrine > in situ > unspecified site
- Neoplasm, neoplastic > connective tissue NEC > skin NEC
- Neoplasm, neoplastic > sudoriferous, sudoriparous gland, site unspecified
Codes in the same group
| Code | Description | Status |
|---|---|---|
| D04.0 | Carcinoma in situ of skin of lip | Valid |
| D04.1 | Carcinoma in situ of skin of eyelid, including canthus | Not billable |
| D04.2 | Carcinoma in situ of skin of ear and external auricular canal | Not billable |
| D04.3 | Carcinoma in situ of skin of other and unspecified parts of face | Not billable |
| D04.4 | Carcinoma in situ of skin of scalp and neck | Valid |
| D04.5 | Carcinoma in situ of skin of trunk | Valid |
| D04.6 | Carcinoma in situ of skin of upper limb, including shoulder | Not billable |
| D04.7 | Carcinoma in situ of skin of lower limb, including hip | Not billable |
| D04.8 | Carcinoma in situ of skin of other sites | Valid |