ICD-10 D16.5
Billable / SpecificBenign neoplasm of lower jaw bone
About ICD-10-CM D16.5
ICD-10-CM code D16.5 represents Benign neoplasm of lower jaw bone. This is a billable/specific code in the Neoplasms chapter (block D16). The 2026 edition of ICD-10-CM D16.5 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under D16.5. Per CMS ICD-10-CM Tabular 2026.
- Keratocyst of mandible
- Keratocystic odontogenic tumor of mandible
Medicare LCD Coverage for D16.5
Local Coverage Determinations (LCDs) from CMS MACs that list D16.5 as a covered diagnosis.
Showing top 10 of 119 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing D16.5.
1 Aetna
5 Medicare
CPT Codes Commonly Billed with D16.5
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 D16.5 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 |
|---|---|---|
| D16.5 | 2131 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To D16.5
Other codes in section D10-D36 (Benign neoplasms, except benign neuroendocrine tumors).
ICD-10 D16.5, Billing FAQ
Is ICD-10 code D16.5 billable? +
Yes, D16.5 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 D16.5? +
ICD-10 D16.5 includes: Keratocyst of mandible; Keratocystic odontogenic tumor of mandible.
What ICD-9 codes does D16.5 map to? +
Per CMS GEMs, D16.5 maps to ICD-9 codes: 2131. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team