ICD-10 D35
Non-Billable HeaderBenign neoplasm of other and unspecified endocrine glands
About ICD-10-CM D35
ICD-10-CM code D35 represents Benign neoplasm of other and unspecified endocrine glands. This is a non-billable header code in the Neoplasms chapter (block D35). The 2026 edition of ICD-10-CM D35 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with D35. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- benign neoplasm of endocrine pancreas (D13.7)
- benign neoplasm of ovary (D27.-)
- benign neoplasm of testis (D29.2.-)
- benign neoplasm of thymus (D15.0)
Use Additional Code
When coding D35, also report these additional codes when applicable.
- code to identify any functional activity
Medicare LCD Coverage for D35
Local Coverage Determinations (LCDs) from CMS MACs that list D35 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D35.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but D35 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with D35
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.
Codes Adjacent To D35
Other codes in section D10-D36 (Benign neoplasms, except benign neuroendocrine tumors).
ICD-10 D35, Billing FAQ
Is ICD-10 code D35 billable? +
No, D35 is a non-billable header code. Use a more specific child code from block D35 when submitting claims.
What codes are Type 1 Excludes for D35? +
Type 1 Excludes (never code together with D35): benign neoplasm of endocrine pancreas (D13.7); benign neoplasm of ovary (D27.-); benign neoplasm of testis (D29.2.-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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