M65.949
Billable codeUnspecified synovitis and tenosynovitis, unspecified hand
The ICD-10 code for unspecified synovitis and tenosynovitis, unspecified hand is M65.949.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M65.941Unspecified synovitis and tenosynovitis, right hand
- M65.942Unspecified synovitis and tenosynovitis, left hand
- M65.949Unspecified synovitis and tenosynovitis, unspecified hand
Associated MS-DRGs
M65.949 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.