ICD-10 D05.91
Billable / SpecificUnspecified type of carcinoma in situ of right breast
About ICD-10-CM D05.91
ICD-10-CM code D05.91 represents Unspecified type of carcinoma in situ of right breast. This is a billable/specific code in the Neoplasms chapter (block D05). The 2026 edition of ICD-10-CM D05.91 became effective on October 1, 2025.
Medicare LCD Coverage for D05.91
Local Coverage Determinations (LCDs) from CMS MACs that list D05.91 as a covered diagnosis.
Showing top 10 of 1,111 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D05.91.
5 Medicare
CPT Codes Commonly Billed with D05.91
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert D05.91 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| D05.91 | 2330 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To D05.91
Other codes in section D00-D09 (In situ neoplasms).
ICD-10 D05.91, Billing FAQ
Is ICD-10 code D05.91 billable? +
Yes, D05.91 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with D05.91? +
Procedures frequently paired with D05.91 include: J2430, J1740, J3489.
What ICD-9 codes does D05.91 map to? +
Per CMS GEMs, D05.91 maps to ICD-9 codes: 2330. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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