M65.8

M65.8: Other synovitis and tenosynovitis

Non-billable headerICD-10-CM

M65.8 is a non-billable header ICD-10-CM code for other synovitis and tenosynovitis. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above M65.8

A category’s note binds every code beneath it.

Written on M65: Synovitis and tenosynovitis

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.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M65.8

10 child codes. Green means billable.

M65.80Other synovitis and tenosynovitis, unspecified site
M65.81Other synovitis and tenosynovitis, shoulder
M65.82Other synovitis and tenosynovitis, upper arm
M65.83Other synovitis and tenosynovitis, forearm
M65.84Other synovitis and tenosynovitis, hand
M65.85Other synovitis and tenosynovitis, thigh
M65.86Other synovitis and tenosynovitis, lower leg
M65.87Other synovitis and tenosynovitis, ankle and foot
M65.88Other synovitis and tenosynovitis, other site
M65.89Other synovitis and tenosynovitis, multiple sites

Other codes under M65

M65.0Abscess of tendon sheath
M65.1Other infective (teno)synovitis
M65.2Calcific tendinitis
M65.3Trigger finger
M65.4Radial styloid tenosynovitis [de Quervain]
M65.9Synovitis and tenosynovitis, unspecified