ICD-10 D37
Non-Billable HeaderNeoplasm of uncertain behavior of oral cavity and digestive organs
About ICD-10-CM D37
ICD-10-CM code D37 represents Neoplasm of uncertain behavior of oral cavity and digestive organs. This is a non-billable header code in the Neoplasms chapter (block D37). The 2026 edition of ICD-10-CM D37 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 D37. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- stromal tumors of uncertain behavior of digestive system (D48.1-)
Medicare LCD Coverage for D37
Local Coverage Determinations (LCDs) from CMS MACs that list D37 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 D37.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but D37 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with D37
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 D37
Other codes in section D37-D48 (Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes).
ICD-10 D37, Billing FAQ
Is ICD-10 code D37 billable? +
No, D37 is a non-billable header code. Use a more specific child code from block D37 when submitting claims.
What codes are Type 1 Excludes for D37? +
Type 1 Excludes (never code together with D37): stromal tumors of uncertain behavior of digestive system (D48.1-)
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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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