M65.312
Billable codeTrigger thumb, left thumb
The ICD-10 code for trigger thumb, left thumb is M65.312.
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
- M65.311Trigger thumb, right thumb
- M65.319Trigger thumb, unspecified thumb
- M65.312Trigger thumb, left thumb
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 72703Approximate match
Associated MS-DRGs
M65.312 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.