ICD-10 M65.242
Billable / SpecificCalcific tendinitis, left hand
About ICD-10-CM M65.242
ICD-10-CM code M65.242 represents Calcific tendinitis, left hand. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M65). The 2026 edition of ICD-10-CM M65.242 became effective on October 1, 2025.
Medicare LCD Coverage for M65.242
Local Coverage Determinations (LCDs) from CMS MACs that list M65.242 as a covered diagnosis.
Showing top 10 of 235 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M65.242.
5 Medicare
CPT Codes Commonly Billed with M65.242
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 20551 CMS LCD: Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma CMS LCD
- 20550 CMS LCD: Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma CMS LCD
- 20612 CMS LCD: Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma CMS LCD
- 26341 CMS LCD: Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma CMS LCD
- 28899 CMS LCD: Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma CMS LCD
- 20527 CMS LCD: Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma CMS LCD
Convert M65.242 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 |
|---|---|---|
| M65.242 | 72782 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M65.242
Other codes in section M65-M67 (Disorders of synovium and tendon).
ICD-10 M65.242, Billing FAQ
Is ICD-10 code M65.242 billable? +
Yes, M65.242 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with M65.242? +
Procedures frequently paired with M65.242 include: 20551, 20550, 20612, 26341, 28899.
What ICD-9 codes does M65.242 map to? +
Per CMS GEMs, M65.242 maps to ICD-9 codes: 72782. 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 July 16, 2026.
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