ICD-10 K08.9
Billable / SpecificDisorder of teeth and supporting structures, unspecified
About ICD-10-CM K08.9
ICD-10-CM code K08.9 represents Disorder of teeth and supporting structures, unspecified. This is a billable/specific code in the Digestive System chapter (block K08). The 2026 edition of ICD-10-CM K08.9 became effective on October 1, 2025.
Medicare LCD Coverage for K08.9
Local Coverage Determinations (LCDs) from CMS MACs that list K08.9 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 K08.9.
2 Aetna
CPT Codes Commonly Billed with K08.9
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 K08.9 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 |
|---|---|---|
| K08.9 | 5259 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To K08.9
Other codes in section K00-K14 (Diseases of oral cavity and salivary glands).
ICD-10 K08.9, Billing FAQ
Is ICD-10 code K08.9 billable? +
Yes, K08.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does K08.9 map to? +
Per CMS GEMs, K08.9 maps to ICD-9 codes: 5259. 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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