ICD-10 D09.3
Billable / SpecificCarcinoma in situ of thyroid and other endocrine glands
About ICD-10-CM D09.3
ICD-10-CM code D09.3 represents Carcinoma in situ of thyroid and other endocrine glands. This is a billable/specific code in the Neoplasms chapter (block D09). The 2026 edition of ICD-10-CM D09.3 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with D09.3. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- carcinoma in situ of endocrine pancreas (D01.7)
- carcinoma in situ of ovary (D07.39)
- carcinoma in situ of testis (D07.69)
Medicare LCD Coverage for D09.3
Local Coverage Determinations (LCDs) from CMS MACs that list D09.3 as a covered diagnosis.
Showing top 10 of 295 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D09.3.
1 Aetna
1 Cigna
5 Medicare
CPT Codes Commonly Billed with D09.3
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 76536 CMS LCD: Billing and Coding: Ultrasound, Soft Tissues of Head and Neck CMS LCD
Convert D09.3 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 |
|---|---|---|
| D09.3 | 2348 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To D09.3
Other codes in section D00-D09 (In situ neoplasms).
ICD-10 D09.3, Billing FAQ
Is ICD-10 code D09.3 billable? +
Yes, D09.3 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for D09.3? +
Type 1 Excludes (never code together with D09.3): carcinoma in situ of endocrine pancreas (D01.7); carcinoma in situ of ovary (D07.39); carcinoma in situ of testis (D07.69)
What CPT codes are commonly billed with D09.3? +
Procedures frequently paired with D09.3 include: 76536.
What ICD-9 codes does D09.3 map to? +
Per CMS GEMs, D09.3 maps to ICD-9 codes: 2348. 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 June 1, 2026.
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