ICD-10-CM › M00-M99 › M65-M67 › M65.3 Trigger finger › M65.31

M65.31

Trigger thumb

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • M65.311 Trigger thumb, right thumb
  • M65.312 Trigger thumb, left thumb
  • M65.319 Trigger thumb, unspecified thumb

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Trigger thumb

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from M65 Synovitis and tenosynovitis

Excludes1 - never coded here

  • chronic crepitant synovitis of hand and wrist (M70.0-)
  • current injury - see injury of ligament or tendon by body region
  • soft tissue disorders related to use, overuse and pressure (M70.-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
M65.30 Trigger finger, unspecified finger Valid
M65.32 Trigger finger, index finger Not billable
M65.33 Trigger finger, middle finger Not billable
M65.34 Trigger finger, ring finger Not billable
M65.35 Trigger finger, little finger Not billable