M65.4
Billable codeRadial styloid tenosynovitis [de Quervain]
The ICD-10 code for radial styloid tenosynovitis [de quervain] is M65.4.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M65.0Abscess of tendon sheathnon-billable header
- M65.1Other infective (teno)synovitisnon-billable header
- M65.2Calcific tendinitisnon-billable header
- M65.3Trigger fingernon-billable header
- M65.8Other synovitis and tenosynovitisnon-billable header
- M65.9Synovitis and tenosynovitis, unspecifiednon-billable header
- M65.4Radial styloid tenosynovitis [de Quervain]
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 72704
Associated MS-DRGs
M65.4 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.