Excludes1

  • dermatopolymyositis (M33.-)
  • myopathy in amyloidosis (E85.-)
  • myopathy in polyarteritis nodosa (M30.0)
  • myopathy in rheumatoid arthritis (M05.32)
  • myopathy in scleroderma (M34.-)
  • myopathy in Sjögren's syndrome (M35.03)
  • myopathy in systemic lupus erythematosus (M32.-)

Excludes2

  • muscular dystrophies and myopathies (G71-G72)
  1. M61 Calcification and ossification of muscle

    1. M61.0 Myositis ossificans traumatica

      1. M61.00 Myositis ossificans traumatica, unspecified site

      2. M61.01 Myositis ossificans traumatica, shoulder

        • M61.011 Myositis ossificans traumatica, right shoulder
        • M61.012 Myositis ossificans traumatica, left shoulder
        • M61.019 Myositis ossificans traumatica, unspecified shoulder
      3. M61.02 Myositis ossificans traumatica, upper arm

        • M61.021 Myositis ossificans traumatica, right upper arm
        • M61.022 Myositis ossificans traumatica, left upper arm
        • M61.029 Myositis ossificans traumatica, unspecified upper arm
      4. M61.03 Myositis ossificans traumatica, forearm

        • M61.031 Myositis ossificans traumatica, right forearm
        • M61.032 Myositis ossificans traumatica, left forearm
        • M61.039 Myositis ossificans traumatica, unspecified forearm
      5. M61.04 Myositis ossificans traumatica, hand

        • M61.041 Myositis ossificans traumatica, right hand
        • M61.042 Myositis ossificans traumatica, left hand
        • M61.049 Myositis ossificans traumatica, unspecified hand
      6. M61.05 Myositis ossificans traumatica, thigh

        • M61.051 Myositis ossificans traumatica, right thigh
        • M61.052 Myositis ossificans traumatica, left thigh
        • M61.059 Myositis ossificans traumatica, unspecified thigh
      7. M61.06 Myositis ossificans traumatica, lower leg

        • M61.061 Myositis ossificans traumatica, right lower leg
        • M61.062 Myositis ossificans traumatica, left lower leg
        • M61.069 Myositis ossificans traumatica, unspecified lower leg
      8. M61.07 Myositis ossificans traumatica, ankle and foot

        • M61.071 Myositis ossificans traumatica, right ankle and foot
        • M61.072 Myositis ossificans traumatica, left ankle and foot
        • M61.079 Myositis ossificans traumatica, unspecified ankle and foot
      9. M61.08 Myositis ossificans traumatica, other site

      10. M61.09 Myositis ossificans traumatica, multiple sites

    2. M61.1 Myositis ossificans progressiva

      Inclusion term(s):

      • Fibrodysplasia ossificans progressiva
      1. M61.10 Myositis ossificans progressiva, unspecified site

      2. M61.11 Myositis ossificans progressiva, shoulder

        • M61.111 Myositis ossificans progressiva, right shoulder
        • M61.112 Myositis ossificans progressiva, left shoulder
        • M61.119 Myositis ossificans progressiva, unspecified shoulder
      3. M61.12 Myositis ossificans progressiva, upper arm

        • M61.121 Myositis ossificans progressiva, right upper arm
        • M61.122 Myositis ossificans progressiva, left upper arm
        • M61.129 Myositis ossificans progressiva, unspecified arm
      4. M61.13 Myositis ossificans progressiva, forearm

        • M61.131 Myositis ossificans progressiva, right forearm
        • M61.132 Myositis ossificans progressiva, left forearm
        • M61.139 Myositis ossificans progressiva, unspecified forearm
      5. M61.14 Myositis ossificans progressiva, hand and finger(s)

        • M61.141 Myositis ossificans progressiva, right hand
        • M61.142 Myositis ossificans progressiva, left hand
        • M61.143 Myositis ossificans progressiva, unspecified hand
        • M61.144 Myositis ossificans progressiva, right finger(s)
        • M61.145 Myositis ossificans progressiva, left finger(s)
        • M61.146 Myositis ossificans progressiva, unspecified finger(s)
      6. M61.15 Myositis ossificans progressiva, thigh

        • M61.151 Myositis ossificans progressiva, right thigh
        • M61.152 Myositis ossificans progressiva, left thigh
        • M61.159 Myositis ossificans progressiva, unspecified thigh
      7. M61.16 Myositis ossificans progressiva, lower leg

        • M61.161 Myositis ossificans progressiva, right lower leg
        • M61.162 Myositis ossificans progressiva, left lower leg
        • M61.169 Myositis ossificans progressiva, unspecified lower leg
      8. M61.17 Myositis ossificans progressiva, ankle, foot and toe(s)

        • M61.171 Myositis ossificans progressiva, right ankle
        • M61.172 Myositis ossificans progressiva, left ankle
        • M61.173 Myositis ossificans progressiva, unspecified ankle
        • M61.174 Myositis ossificans progressiva, right foot
        • M61.175 Myositis ossificans progressiva, left foot
        • M61.176 Myositis ossificans progressiva, unspecified foot
        • M61.177 Myositis ossificans progressiva, right toe(s)
        • M61.178 Myositis ossificans progressiva, left toe(s)
        • M61.179 Myositis ossificans progressiva, unspecified toe(s)
      9. M61.18 Myositis ossificans progressiva, other site

      10. M61.19 Myositis ossificans progressiva, multiple sites

    3. M61.2 Paralytic calcification and ossification of muscle

      Inclusion term(s):

      • Myositis ossificans associated with quadriplegia or paraplegia
      1. M61.20 Paralytic calcification and ossification of muscle, unspecified site

      2. M61.21 Paralytic calcification and ossification of muscle, shoulder

        • M61.211 Paralytic calcification and ossification of muscle, right shoulder
        • M61.212 Paralytic calcification and ossification of muscle, left shoulder
        • M61.219 Paralytic calcification and ossification of muscle, unspecified shoulder
      3. M61.22 Paralytic calcification and ossification of muscle, upper arm

        • M61.221 Paralytic calcification and ossification of muscle, right upper arm
        • M61.222 Paralytic calcification and ossification of muscle, left upper arm
        • M61.229 Paralytic calcification and ossification of muscle, unspecified upper arm
      4. M61.23 Paralytic calcification and ossification of muscle, forearm

        • M61.231 Paralytic calcification and ossification of muscle, right forearm
        • M61.232 Paralytic calcification and ossification of muscle, left forearm
        • M61.239 Paralytic calcification and ossification of muscle, unspecified forearm
      5. M61.24 Paralytic calcification and ossification of muscle, hand

        • M61.241 Paralytic calcification and ossification of muscle, right hand
        • M61.242 Paralytic calcification and ossification of muscle, left hand
        • M61.249 Paralytic calcification and ossification of muscle, unspecified hand
      6. M61.25 Paralytic calcification and ossification of muscle, thigh

        • M61.251 Paralytic calcification and ossification of muscle, right thigh
        • M61.252 Paralytic calcification and ossification of muscle, left thigh
        • M61.259 Paralytic calcification and ossification of muscle, unspecified thigh
      7. M61.26 Paralytic calcification and ossification of muscle, lower leg

        • M61.261 Paralytic calcification and ossification of muscle, right lower leg
        • M61.262 Paralytic calcification and ossification of muscle, left lower leg
        • M61.269 Paralytic calcification and ossification of muscle, unspecified lower leg
      8. M61.27 Paralytic calcification and ossification of muscle, ankle and foot

        • M61.271 Paralytic calcification and ossification of muscle, right ankle and foot
        • M61.272 Paralytic calcification and ossification of muscle, left ankle and foot
        • M61.279 Paralytic calcification and ossification of muscle, unspecified ankle and foot
      9. M61.28 Paralytic calcification and ossification of muscle, other site

      10. M61.29 Paralytic calcification and ossification of muscle, multiple sites

    4. M61.3 Calcification and ossification of muscles associated with burns

      Inclusion term(s):

      • Myositis ossificans associated with burns
      1. M61.30 Calcification and ossification of muscles associated with burns, unspecified site

      2. M61.31 Calcification and ossification of muscles associated with burns, shoulder

        • M61.311 Calcification and ossification of muscles associated with burns, right shoulder
        • M61.312 Calcification and ossification of muscles associated with burns, left shoulder
        • M61.319 Calcification and ossification of muscles associated with burns, unspecified shoulder
      3. M61.32 Calcification and ossification of muscles associated with burns, upper arm

        • M61.321 Calcification and ossification of muscles associated with burns, right upper arm
        • M61.322 Calcification and ossification of muscles associated with burns, left upper arm
        • M61.329 Calcification and ossification of muscles associated with burns, unspecified upper arm
      4. M61.33 Calcification and ossification of muscles associated with burns, forearm

        • M61.331 Calcification and ossification of muscles associated with burns, right forearm
        • M61.332 Calcification and ossification of muscles associated with burns, left forearm
        • M61.339 Calcification and ossification of muscles associated with burns, unspecified forearm
      5. M61.34 Calcification and ossification of muscles associated with burns, hand

        • M61.341 Calcification and ossification of muscles associated with burns, right hand
        • M61.342 Calcification and ossification of muscles associated with burns, left hand
        • M61.349 Calcification and ossification of muscles associated with burns, unspecified hand
      6. M61.35 Calcification and ossification of muscles associated with burns, thigh

        • M61.351 Calcification and ossification of muscles associated with burns, right thigh
        • M61.352 Calcification and ossification of muscles associated with burns, left thigh
        • M61.359 Calcification and ossification of muscles associated with burns, unspecified thigh
      7. M61.36 Calcification and ossification of muscles associated with burns, lower leg

        • M61.361 Calcification and ossification of muscles associated with burns, right lower leg
        • M61.362 Calcification and ossification of muscles associated with burns, left lower leg
        • M61.369 Calcification and ossification of muscles associated with burns, unspecified lower leg
      8. M61.37 Calcification and ossification of muscles associated with burns, ankle and foot

        • M61.371 Calcification and ossification of muscles associated with burns, right ankle and foot
        • M61.372 Calcification and ossification of muscles associated with burns, left ankle and foot
        • M61.379 Calcification and ossification of muscles associated with burns, unspecified ankle and foot
      9. M61.38 Calcification and ossification of muscles associated with burns, other site

      10. M61.39 Calcification and ossification of muscles associated with burns, multiple sites

    5. M61.4 Other calcification of muscle

      1. M61.40 Other calcification of muscle, unspecified site

      2. M61.41 Other calcification of muscle, shoulder

        • M61.411 Other calcification of muscle, right shoulder
        • M61.412 Other calcification of muscle, left shoulder
        • M61.419 Other calcification of muscle, unspecified shoulder
      3. M61.42 Other calcification of muscle, upper arm

        • M61.421 Other calcification of muscle, right upper arm
        • M61.422 Other calcification of muscle, left upper arm
        • M61.429 Other calcification of muscle, unspecified upper arm
      4. M61.43 Other calcification of muscle, forearm

        • M61.431 Other calcification of muscle, right forearm
        • M61.432 Other calcification of muscle, left forearm
        • M61.439 Other calcification of muscle, unspecified forearm
      5. M61.44 Other calcification of muscle, hand

        • M61.441 Other calcification of muscle, right hand
        • M61.442 Other calcification of muscle, left hand
        • M61.449 Other calcification of muscle, unspecified hand
      6. M61.45 Other calcification of muscle, thigh

        • M61.451 Other calcification of muscle, right thigh
        • M61.452 Other calcification of muscle, left thigh
        • M61.459 Other calcification of muscle, unspecified thigh
      7. M61.46 Other calcification of muscle, lower leg

        • M61.461 Other calcification of muscle, right lower leg
        • M61.462 Other calcification of muscle, left lower leg
        • M61.469 Other calcification of muscle, unspecified lower leg
      8. M61.47 Other calcification of muscle, ankle and foot

        • M61.471 Other calcification of muscle, right ankle and foot
        • M61.472 Other calcification of muscle, left ankle and foot
        • M61.479 Other calcification of muscle, unspecified ankle and foot
      9. M61.48 Other calcification of muscle, other site

      10. M61.49 Other calcification of muscle, multiple sites

    6. M61.5 Other ossification of muscle

      1. M61.50 Other ossification of muscle, unspecified site

      2. M61.51 Other ossification of muscle, shoulder

        • M61.511 Other ossification of muscle, right shoulder
        • M61.512 Other ossification of muscle, left shoulder
        • M61.519 Other ossification of muscle, unspecified shoulder
      3. M61.52 Other ossification of muscle, upper arm

        • M61.521 Other ossification of muscle, right upper arm
        • M61.522 Other ossification of muscle, left upper arm
        • M61.529 Other ossification of muscle, unspecified upper arm
      4. M61.53 Other ossification of muscle, forearm

        • M61.531 Other ossification of muscle, right forearm
        • M61.532 Other ossification of muscle, left forearm
        • M61.539 Other ossification of muscle, unspecified forearm
      5. M61.54 Other ossification of muscle, hand

        • M61.541 Other ossification of muscle, right hand
        • M61.542 Other ossification of muscle, left hand
        • M61.549 Other ossification of muscle, unspecified hand
      6. M61.55 Other ossification of muscle, thigh

        • M61.551 Other ossification of muscle, right thigh
        • M61.552 Other ossification of muscle, left thigh
        • M61.559 Other ossification of muscle, unspecified thigh
      7. M61.56 Other ossification of muscle, lower leg

        • M61.561 Other ossification of muscle, right lower leg
        • M61.562 Other ossification of muscle, left lower leg
        • M61.569 Other ossification of muscle, unspecified lower leg
      8. M61.57 Other ossification of muscle, ankle and foot

        • M61.571 Other ossification of muscle, right ankle and foot
        • M61.572 Other ossification of muscle, left ankle and foot
        • M61.579 Other ossification of muscle, unspecified ankle and foot
      9. M61.58 Other ossification of muscle, other site

      10. M61.59 Other ossification of muscle, multiple sites

    7. M61.9 Calcification and ossification of muscle, 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.