ICD-10 D15.0
Billable / SpecificBenign neoplasm of thymus
About ICD-10-CM D15.0
ICD-10-CM code D15.0 represents Benign neoplasm of thymus. This is a billable/specific code in the Neoplasms chapter (block D15). The 2026 edition of ICD-10-CM D15.0 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with D15.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- benign carcinoid tumor of the thymus (D3A.091)
Medicare LCD Coverage for D15.0
Local Coverage Determinations (LCDs) from CMS MACs that list D15.0 as a covered diagnosis.
Showing top 10 of 107 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D15.0.
4 Aetna
5 Medicare
CPT Codes Commonly Billed with D15.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert D15.0 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 |
|---|---|---|
| D15.0 | 2126 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To D15.0
Other codes in section D10-D36 (Benign neoplasms, except benign neuroendocrine tumors).
ICD-10 D15.0, Billing FAQ
Is ICD-10 code D15.0 billable? +
Yes, D15.0 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 D15.0? +
Type 1 Excludes (never code together with D15.0): benign carcinoid tumor of the thymus (D3A.091)
What ICD-9 codes does D15.0 map to? +
Per CMS GEMs, D15.0 maps to ICD-9 codes: 2126. 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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