D05.00 (Lobular carcinoma in situ of unspecified breast) compared with D05.01 (Lobular carcinoma in situ of right breast), from the official CMS tabular data. D05.00 and D05.01 code the same condition on opposite sides. MedCoder-derived
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. D05.00 and D05.01 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| D05.00Lobular carcinoma in situ of unspecified breast | D05.01Lobular carcinoma in situ of right breast | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms | C00-D49 — Neoplasms |
| Definition | Lobular carcinoma in situ of unspecified breast is a billable ICD-10-CM diagnosis code (D05.00). | Lobular carcinoma in situ of right breast is a billable ICD-10-CM diagnosis code (D05.01). |
| Includes | Bowen's disease erythroplasia grade III intraepithelial neoplasia Queyrat's erythroplasia | Bowen's disease erythroplasia grade III intraepithelial neoplasia Queyrat's erythroplasia |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources