1. M65 Synovitis and tenosynovitis

    Excludes1

    • 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.-)
    1. M65.0 Abscess of tendon sheath

      1. M65.00 Abscess of tendon sheath, unspecified site

      2. M65.01 Abscess of tendon sheath, shoulder

        • M65.011 Abscess of tendon sheath, right shoulder
        • M65.012 Abscess of tendon sheath, left shoulder
        • M65.019 Abscess of tendon sheath, unspecified shoulder
      3. M65.02 Abscess of tendon sheath, upper arm

        • M65.021 Abscess of tendon sheath, right upper arm
        • M65.022 Abscess of tendon sheath, left upper arm
        • M65.029 Abscess of tendon sheath, unspecified upper arm
      4. M65.03 Abscess of tendon sheath, forearm

        • M65.031 Abscess of tendon sheath, right forearm
        • M65.032 Abscess of tendon sheath, left forearm
        • M65.039 Abscess of tendon sheath, unspecified forearm
      5. M65.04 Abscess of tendon sheath, hand

        • M65.041 Abscess of tendon sheath, right hand
        • M65.042 Abscess of tendon sheath, left hand
        • M65.049 Abscess of tendon sheath, unspecified hand
      6. M65.05 Abscess of tendon sheath, thigh

        • M65.051 Abscess of tendon sheath, right thigh
        • M65.052 Abscess of tendon sheath, left thigh
        • M65.059 Abscess of tendon sheath, unspecified thigh
      7. M65.06 Abscess of tendon sheath, lower leg

        • M65.061 Abscess of tendon sheath, right lower leg
        • M65.062 Abscess of tendon sheath, left lower leg
        • M65.069 Abscess of tendon sheath, unspecified lower leg
      8. M65.07 Abscess of tendon sheath, ankle and foot

        • M65.071 Abscess of tendon sheath, right ankle and foot
        • M65.072 Abscess of tendon sheath, left ankle and foot
        • M65.079 Abscess of tendon sheath, unspecified ankle and foot
      9. M65.08 Abscess of tendon sheath, other site

    2. M65.1 Other infective (teno)synovitis

      1. M65.10 Other infective (teno)synovitis, unspecified site

      2. M65.11 Other infective (teno)synovitis, shoulder

        • M65.111 Other infective (teno)synovitis, right shoulder
        • M65.112 Other infective (teno)synovitis, left shoulder
        • M65.119 Other infective (teno)synovitis, unspecified shoulder
      3. M65.12 Other infective (teno)synovitis, elbow

        • M65.121 Other infective (teno)synovitis, right elbow
        • M65.122 Other infective (teno)synovitis, left elbow
        • M65.129 Other infective (teno)synovitis, unspecified elbow
      4. M65.13 Other infective (teno)synovitis, wrist

        • M65.131 Other infective (teno)synovitis, right wrist
        • M65.132 Other infective (teno)synovitis, left wrist
        • M65.139 Other infective (teno)synovitis, unspecified wrist
      5. M65.14 Other infective (teno)synovitis, hand

        • M65.141 Other infective (teno)synovitis, right hand
        • M65.142 Other infective (teno)synovitis, left hand
        • M65.149 Other infective (teno)synovitis, unspecified hand
      6. M65.15 Other infective (teno)synovitis, hip

        • M65.151 Other infective (teno)synovitis, right hip
        • M65.152 Other infective (teno)synovitis, left hip
        • M65.159 Other infective (teno)synovitis, unspecified hip
      7. M65.16 Other infective (teno)synovitis, knee

        • M65.161 Other infective (teno)synovitis, right knee
        • M65.162 Other infective (teno)synovitis, left knee
        • M65.169 Other infective (teno)synovitis, unspecified knee
      8. M65.17 Other infective (teno)synovitis, ankle and foot

        • M65.171 Other infective (teno)synovitis, right ankle and foot
        • M65.172 Other infective (teno)synovitis, left ankle and foot
        • M65.179 Other infective (teno)synovitis, unspecified ankle and foot
      9. M65.18 Other infective (teno)synovitis, other site

      10. M65.19 Other infective (teno)synovitis, multiple sites

    3. M65.2 Calcific tendinitis

      1. M65.20 Calcific tendinitis, unspecified site

      2. M65.22 Calcific tendinitis, upper arm

        • M65.221 Calcific tendinitis, right upper arm
        • M65.222 Calcific tendinitis, left upper arm
        • M65.229 Calcific tendinitis, unspecified upper arm
      3. M65.23 Calcific tendinitis, forearm

        • M65.231 Calcific tendinitis, right forearm
        • M65.232 Calcific tendinitis, left forearm
        • M65.239 Calcific tendinitis, unspecified forearm
      4. M65.24 Calcific tendinitis, hand

        • M65.241 Calcific tendinitis, right hand
        • M65.242 Calcific tendinitis, left hand
        • M65.249 Calcific tendinitis, unspecified hand
      5. M65.25 Calcific tendinitis, thigh

        • M65.251 Calcific tendinitis, right thigh
        • M65.252 Calcific tendinitis, left thigh
        • M65.259 Calcific tendinitis, unspecified thigh
      6. M65.26 Calcific tendinitis, lower leg

        • M65.261 Calcific tendinitis, right lower leg
        • M65.262 Calcific tendinitis, left lower leg
        • M65.269 Calcific tendinitis, unspecified lower leg
      7. M65.27 Calcific tendinitis, ankle and foot

        • M65.271 Calcific tendinitis, right ankle and foot
        • M65.272 Calcific tendinitis, left ankle and foot
        • M65.279 Calcific tendinitis, unspecified ankle and foot
      8. M65.28 Calcific tendinitis, other site

      9. M65.29 Calcific tendinitis, multiple sites

    4. M65.3 Trigger finger

      Inclusion term(s):

      • Nodular tendinous disease
      1. M65.30 Trigger finger, unspecified finger

      2. M65.31 Trigger thumb

        • M65.311 Trigger thumb, right thumb
        • M65.312 Trigger thumb, left thumb
        • M65.319 Trigger thumb, unspecified thumb
      3. M65.32 Trigger finger, index finger

        • M65.321 Trigger finger, right index finger
        • M65.322 Trigger finger, left index finger
        • M65.329 Trigger finger, unspecified index finger
      4. M65.33 Trigger finger, middle finger

        • M65.331 Trigger finger, right middle finger
        • M65.332 Trigger finger, left middle finger
        • M65.339 Trigger finger, unspecified middle finger
      5. M65.34 Trigger finger, ring finger

        • M65.341 Trigger finger, right ring finger
        • M65.342 Trigger finger, left ring finger
        • M65.349 Trigger finger, unspecified ring finger
      6. M65.35 Trigger finger, little finger

        • M65.351 Trigger finger, right little finger
        • M65.352 Trigger finger, left little finger
        • M65.359 Trigger finger, unspecified little finger
    5. M65.4 Radial styloid tenosynovitis [de Quervain]

    6. M65.8 Other synovitis and tenosynovitis

      1. M65.80 Other synovitis and tenosynovitis, unspecified site

      2. M65.81 Other synovitis and tenosynovitis, shoulder

        • M65.811 Other synovitis and tenosynovitis, right shoulder
        • M65.812 Other synovitis and tenosynovitis, left shoulder
        • M65.819 Other synovitis and tenosynovitis, unspecified shoulder
      3. M65.82 Other synovitis and tenosynovitis, upper arm

        • M65.821 Other synovitis and tenosynovitis, right upper arm
        • M65.822 Other synovitis and tenosynovitis, left upper arm
        • M65.829 Other synovitis and tenosynovitis, unspecified upper arm
      4. M65.83 Other synovitis and tenosynovitis, forearm

        • M65.831 Other synovitis and tenosynovitis, right forearm
        • M65.832 Other synovitis and tenosynovitis, left forearm
        • M65.839 Other synovitis and tenosynovitis, unspecified forearm
      5. M65.84 Other synovitis and tenosynovitis, hand

        • M65.841 Other synovitis and tenosynovitis, right hand
        • M65.842 Other synovitis and tenosynovitis, left hand
        • M65.849 Other synovitis and tenosynovitis, unspecified hand
      6. M65.85 Other synovitis and tenosynovitis, thigh

        • M65.851 Other synovitis and tenosynovitis, right thigh
        • M65.852 Other synovitis and tenosynovitis, left thigh
        • M65.859 Other synovitis and tenosynovitis, unspecified thigh
      7. M65.86 Other synovitis and tenosynovitis, lower leg

        • M65.861 Other synovitis and tenosynovitis, right lower leg
        • M65.862 Other synovitis and tenosynovitis, left lower leg
        • M65.869 Other synovitis and tenosynovitis, unspecified lower leg
      8. M65.87 Other synovitis and tenosynovitis, ankle and foot

        • M65.871 Other synovitis and tenosynovitis, right ankle and foot
        • M65.872 Other synovitis and tenosynovitis, left ankle and foot
        • M65.879 Other synovitis and tenosynovitis, unspecified ankle and foot
      9. M65.88 Other synovitis and tenosynovitis, other site

      10. M65.89 Other synovitis and tenosynovitis, multiple sites

    7. M65.9 Synovitis and tenosynovitis, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.