M65.31 Trigger thumb

Non-billable header with 3 child codes.

Applies from M65 Synovitis and tenosynovitis

Excludes1 (never code together)

• 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.-)

Applies from M65.3 Trigger finger

Applicable to

• Nodular tendinous disease

Codes under M65.31

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

Code annotations containing back-references to M65.31

Back-references to M65.3

• Type 1 Excludes: M20.0 Deformity of finger(s) ("trigger finger (M65.3)")

Diagnosis Index entries for M65.31

• Trigger finger (acquired) › thumb

Nearby codes

• M65.279 Calcific tendinitis, unspecified ankle and foot
• M65.28 Calcific tendinitis, other site
• M65.29 Calcific tendinitis, multiple sites
• M65.3 Trigger finger
• M65.30 Trigger finger, unspecified finger
• M65.31 Trigger thumb (this code)
• M65.311 Trigger thumb, right thumb
• M65.312 Trigger thumb, left thumb
• M65.319 Trigger thumb, unspecified thumb
• M65.32 Trigger finger, index finger
• M65.321 Trigger finger, right index finger