ICD-10 K31.7
Billable / SpecificPolyp of stomach and duodenum
About ICD-10-CM K31.7
ICD-10-CM code K31.7 represents Polyp of stomach and duodenum. This is a billable/specific code in the Digestive System chapter (block K31). The 2026 edition of ICD-10-CM K31.7 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with K31.7. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- adenomatous polyp of stomach (D13.1)
Medicare LCD Coverage for K31.7
Local Coverage Determinations (LCDs) from CMS MACs that list K31.7 as a covered diagnosis.
Showing top 10 of 206 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing K31.7.
5 Medicare
1 Aetna
CPT Codes Commonly Billed with K31.7
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 K31.7 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 |
|---|---|---|
| K31.7 | 2111 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To K31.7
Other codes in section K20-K31 (Diseases of esophagus, stomach and duodenum).
ICD-10 K31.7, Billing FAQ
Is ICD-10 code K31.7 billable? +
Yes, K31.7 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 K31.7? +
Type 1 Excludes (never code together with K31.7): adenomatous polyp of stomach (D13.1)
What ICD-9 codes does K31.7 map to? +
Per CMS GEMs, K31.7 maps to ICD-9 codes: 2111. 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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