All ICD10 Codes

M65.31

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Trigger thumb

Use a more specific code (3 billable)
M65.311Trigger thumb, right thumbM65.312Trigger thumb, left thumbM65.319Trigger thumb, unspecified thumb
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
General instructions are available for the parent sections:
View CH13 NotesView M65 NotesView M65.3 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M65-M67Disorders of synovium and tendon (M65-M67)
M65Synovitis and tenosynovitis
M65.3Trigger finger
M65.31Trigger thumbNot billable
M65.311Trigger thumb, right thumbBillable
M65.312Trigger thumb, left thumbBillable
M65.319Trigger thumb, unspecified thumbBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M65.31:

subcategoryM65.3
Trigger finger
View context instructions
categoryM65
Synovitis and tenosynovitis
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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