ICD-10 K09.1
Billable / SpecificDevelopmental (nonodontogenic) cysts of oral region
About ICD-10-CM K09.1
ICD-10-CM code K09.1 represents Developmental (nonodontogenic) cysts of oral region. This is a billable/specific code in the Digestive System chapter (block K09). The 2026 edition of ICD-10-CM K09.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under K09.1. Per CMS ICD-10-CM Tabular 2026.
- Cyst (of) incisive canal
- Cyst (of) palatine of papilla
- Globulomaxillary cyst
- Median palatal cyst
- Nasoalveolar cyst
- Nasolabial cyst
- Nasopalatine duct cyst
Medicare LCD Coverage for K09.1
Local Coverage Determinations (LCDs) from CMS MACs that list K09.1 as a covered diagnosis.
Showing top 10 of 116 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing K09.1.
1 Aetna
1 Medicare
CPT Codes Commonly Billed with K09.1
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 K09.1 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 |
|---|---|---|
| K09.1 | 5261 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To K09.1
Other codes in section K00-K14 (Diseases of oral cavity and salivary glands).
ICD-10 K09.1, Billing FAQ
Is ICD-10 code K09.1 billable? +
Yes, K09.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to K09.1? +
ICD-10 K09.1 includes: Cyst (of) incisive canal; Cyst (of) palatine of papilla; Globulomaxillary cyst, and 4 more clinical synonyms.
What ICD-9 codes does K09.1 map to? +
Per CMS GEMs, K09.1 maps to ICD-9 codes: 5261. 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 May 31, 2026.
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