D05.8 is the authoritative medical code for Other specified type of carcinoma in situ of breast. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified type of carcinoma in situ of breast (ICD-10-CM D05.8), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Other specified type of carcinoma in situ of breast is a non-billable ICD-10-CM category code D05.8. A more specific billable subcode must be selected for claims submission. Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): carcinoma in situ of skin of breast D04.5; melanoma in situ of breast skin D03.5; Paget's disease of breast or nipple C50.-. Excludes2 (not included here): malignant neoplasm of breast C50.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D05.8 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- Bowen's disease
- erythroplasia
- grade III intraepithelial neoplasia
- Queyrat's erythroplasia
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- carcinoma in situ of skin of breast D04.5
- melanoma in situ of breast skin D03.5
- Paget's disease of breast or nipple C50.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- malignant neoplasm of breast C50.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can D05.8 be billed directly?
No. D05.8 (Other specified type of carcinoma in situ of breast) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with D05.8?
Per Excludes1 instructions, D05.8 must not be reported with: carcinoma in situ of skin of breast (D04.5); melanoma in situ of breast (skin) (D03.5); Paget's disease of breast or nipple (C50.-).
Can D05.8 be reported alongside related conditions?
Per Excludes2 instructions, D05.8 and the following may both be reported when both are present: malignant neoplasm of breast (C50.-).
Codes in This Family (16)
Official ICD-10-CM classifications in the same code family as D05.8, with their registry titles.
- D05 — Carcinoma in situ of breast
- D05.0 — Lobular carcinoma in situ of breast
- D05.00 — Lobular carcinoma in situ of unspecified breast
- D05.01 — Lobular carcinoma in situ of right breast
- D05.02 — Lobular carcinoma in situ of left breast
- D05.1 — Intraductal carcinoma in situ of breast
- D05.10 — Intraductal carcinoma in situ of unspecified breast
- D05.11 — Intraductal carcinoma in situ of right breast
- D05.12 — Intraductal carcinoma in situ of left breast
- D05.80 — Other specified type of carcinoma in situ of unspecified breast
- D05.81 — Other specified type of carcinoma in situ of right breast
- D05.82 — Other specified type of carcinoma in situ of left breast
- D05.9 — Unspecified type of carcinoma in situ of breast
- D05.90 — Unspecified type of carcinoma in situ of unspecified breast
- D05.91 — Unspecified type of carcinoma in situ of right breast
- D05.92 — Unspecified type of carcinoma in situ of left breast
Neoplasm Table Sites (17)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, areola — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts) — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), areola — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), axillary tail — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), central portion — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), inner — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), lower — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), lower-inner quadrant — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), lower-outer quadrant — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), midline — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), nipple — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), outer — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), tail (axillary) — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), upper — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), upper-inner quadrant — Ca in situ
- Neoplasm, neoplastic, breast (connective tissue) (glandular tissue) (soft parts), upper-outer quadrant — Ca in situ
- Neoplasm, neoplastic, nipple — Ca in situ
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: