DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

M62 Other disorders of muscle

  • Header · not billable

M62 is not billable. The category heads 131 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M60-M63 Disorders of muscles (M60-M63)
  3. M62 Other disorders of muscle
Billable codes
131
Subdivisions
8
CC / MCC codes
1 / 0
HCC V28 codes
0
New FY2027
0
Index entries
108

Codes in M62

  1. M62.0
    Separation of muscle (nontraumatic)
    Header
    Inclusion terms 1, Excludes1 2

    Inclusion terms

    • Diastasis of muscle

    Excludes1

    • diastasis recti complicating pregnancy, labor and delivery (O71.8) O71.8
    • traumatic separation of muscle- see strain of muscle by body region
  2. M62.00
    Separation of muscle (nontraumatic), unspecified site
    Billable
  3. M62.01
    Separation of muscle (nontraumatic), shoulder
    Header
  4. M62.011
    Separation of muscle (nontraumatic), right shoulder
    Billable
  5. M62.012
    Separation of muscle (nontraumatic), left shoulder
    Billable
  6. M62.019
    Separation of muscle (nontraumatic), unspecified shoulder
    Billable
  7. M62.02
    Separation of muscle (nontraumatic), upper arm
    Header
  8. M62.021
    Separation of muscle (nontraumatic), right upper arm
    Billable
  9. M62.022
    Separation of muscle (nontraumatic), left upper arm
    Billable
  10. M62.029
    Separation of muscle (nontraumatic), unspecified upper arm
    Billable
  11. M62.03
    Separation of muscle (nontraumatic), forearm
    Header
  12. M62.031
    Separation of muscle (nontraumatic), right forearm
    Billable
  13. M62.032
    Separation of muscle (nontraumatic), left forearm
    Billable
  14. M62.039
    Separation of muscle (nontraumatic), unspecified forearm
    Billable
  15. M62.04
    Separation of muscle (nontraumatic), hand
    Header
  16. M62.041
    Separation of muscle (nontraumatic), right hand
    Billable
  17. M62.042
    Separation of muscle (nontraumatic), left hand
    Billable
  18. M62.049
    Separation of muscle (nontraumatic), unspecified hand
    Billable
  19. M62.05
    Separation of muscle (nontraumatic), thigh
    Header
  20. M62.051
    Separation of muscle (nontraumatic), right thigh
    Billable
  21. M62.052
    Separation of muscle (nontraumatic), left thigh
    Billable
  22. M62.059
    Separation of muscle (nontraumatic), unspecified thigh
    Billable
  23. M62.06
    Separation of muscle (nontraumatic), lower leg
    Header
  24. M62.061
    Separation of muscle (nontraumatic), right lower leg
    Billable
  25. M62.062
    Separation of muscle (nontraumatic), left lower leg
    Billable
  26. M62.069
    Separation of muscle (nontraumatic), unspecified lower leg
    Billable
  27. M62.07
    Separation of muscle (nontraumatic), ankle and foot
    Header
  28. M62.071
    Separation of muscle (nontraumatic), right ankle and foot
    Billable
  29. M62.072
    Separation of muscle (nontraumatic), left ankle and foot
    Billable
  30. M62.079
    Separation of muscle (nontraumatic), unspecified ankle and foot
    Billable
  31. M62.08
    Separation of muscle (nontraumatic), other site
    Billable
  32. M62.1
    Other rupture of muscle (nontraumatic)
    Header
    Excludes1 1, Excludes2 1

    Excludes1

    • traumatic rupture of muscle - see strain of muscle by body region

    Excludes2

    • rupture of tendon (M66.-) M66
  33. M62.10
    Other rupture of muscle (nontraumatic), unspecified site
    Billable
  34. M62.11
    Other rupture of muscle (nontraumatic), shoulder
    Header
  35. M62.111
    Other rupture of muscle (nontraumatic), right shoulder
    Billable
  36. M62.112
    Other rupture of muscle (nontraumatic), left shoulder
    Billable
  37. M62.119
    Other rupture of muscle (nontraumatic), unspecified shoulder
    Billable
  38. M62.12
    Other rupture of muscle (nontraumatic), upper arm
    Header
  39. M62.121
    Other rupture of muscle (nontraumatic), right upper arm
    Billable
  40. M62.122
    Other rupture of muscle (nontraumatic), left upper arm
    Billable
  41. M62.129
    Other rupture of muscle (nontraumatic), unspecified upper arm
    Billable
  42. M62.13
    Other rupture of muscle (nontraumatic), forearm
    Header
  43. M62.131
    Other rupture of muscle (nontraumatic), right forearm
    Billable
  44. M62.132
    Other rupture of muscle (nontraumatic), left forearm
    Billable
  45. M62.139
    Other rupture of muscle (nontraumatic), unspecified forearm
    Billable
  46. M62.14
    Other rupture of muscle (nontraumatic), hand
    Header
  47. M62.141
    Other rupture of muscle (nontraumatic), right hand
    Billable
  48. M62.142
    Other rupture of muscle (nontraumatic), left hand
    Billable
  49. M62.149
    Other rupture of muscle (nontraumatic), unspecified hand
    Billable
  50. M62.15
    Other rupture of muscle (nontraumatic), thigh
    Header
  51. M62.151
    Other rupture of muscle (nontraumatic), right thigh
    Billable
  52. M62.152
    Other rupture of muscle (nontraumatic), left thigh
    Billable
  53. M62.159
    Other rupture of muscle (nontraumatic), unspecified thigh
    Billable
  54. M62.16
    Other rupture of muscle (nontraumatic), lower leg
    Header
  55. M62.161
    Other rupture of muscle (nontraumatic), right lower leg
    Billable
  56. M62.162
    Other rupture of muscle (nontraumatic), left lower leg
    Billable
  57. M62.169
    Other rupture of muscle (nontraumatic), unspecified lower leg
    Billable
  58. M62.17
    Other rupture of muscle (nontraumatic), ankle and foot
    Header
  59. M62.171
    Other rupture of muscle (nontraumatic), right ankle and foot
    Billable
  60. M62.172
    Other rupture of muscle (nontraumatic), left ankle and foot
    Billable
  61. M62.179
    Other rupture of muscle (nontraumatic), unspecified ankle and foot
    Billable
  62. M62.18
    Other rupture of muscle (nontraumatic), other site
    Billable
  63. M62.2
    Nontraumatic ischemic infarction of muscle
    Header
    Excludes1 5

    Excludes1

    • compartment syndrome (traumatic) (T79.A-) T79.A
    • nontraumatic compartment syndrome (M79.A-) M79.A
    • traumatic ischemia of muscle (T79.6) T79.6
    • rhabdomyolysis (M62.82) M62.82
    • Volkmann's ischemic contracture (T79.6) T79.6
  64. M62.20
    Nontraumatic ischemic infarction of muscle, unspecified site
    Billable
  65. M62.21
    Nontraumatic ischemic infarction of muscle, shoulder
    Header
  66. M62.211
    Nontraumatic ischemic infarction of muscle, right shoulder
    Billable
  67. M62.212
    Nontraumatic ischemic infarction of muscle, left shoulder
    Billable
  68. M62.219
    Nontraumatic ischemic infarction of muscle, unspecified shoulder
    Billable
  69. M62.22
    Nontraumatic ischemic infarction of muscle, upper arm
    Header
  70. M62.221
    Nontraumatic ischemic infarction of muscle, right upper arm
    Billable
  71. M62.222
    Nontraumatic ischemic infarction of muscle, left upper arm
    Billable
  72. M62.229
    Nontraumatic ischemic infarction of muscle, unspecified upper arm
    Billable
  73. M62.23
    Nontraumatic ischemic infarction of muscle, forearm
    Header
  74. M62.231
    Nontraumatic ischemic infarction of muscle, right forearm
    Billable
  75. M62.232
    Nontraumatic ischemic infarction of muscle, left forearm
    Billable
  76. M62.239
    Nontraumatic ischemic infarction of muscle, unspecified forearm
    Billable
  77. M62.24
    Nontraumatic ischemic infarction of muscle, hand
    Header
  78. M62.241
    Nontraumatic ischemic infarction of muscle, right hand
    Billable
  79. M62.242
    Nontraumatic ischemic infarction of muscle, left hand
    Billable
  80. M62.249
    Nontraumatic ischemic infarction of muscle, unspecified hand
    Billable
  81. M62.25
    Nontraumatic ischemic infarction of muscle, thigh
    Header
  82. M62.251
    Nontraumatic ischemic infarction of muscle, right thigh
    Billable
  83. M62.252
    Nontraumatic ischemic infarction of muscle, left thigh
    Billable
  84. M62.259
    Nontraumatic ischemic infarction of muscle, unspecified thigh
    Billable
  85. M62.26
    Nontraumatic ischemic infarction of muscle, lower leg
    Header
  86. M62.261
    Nontraumatic ischemic infarction of muscle, right lower leg
    Billable
  87. M62.262
    Nontraumatic ischemic infarction of muscle, left lower leg
    Billable
  88. M62.269
    Nontraumatic ischemic infarction of muscle, unspecified lower leg
    Billable
  89. M62.27
    Nontraumatic ischemic infarction of muscle, ankle and foot
    Header
  90. M62.271
    Nontraumatic ischemic infarction of muscle, right ankle and foot
    Billable
  91. M62.272
    Nontraumatic ischemic infarction of muscle, left ankle and foot
    Billable
  92. M62.279
    Nontraumatic ischemic infarction of muscle, unspecified ankle and foot
    Billable
  93. M62.28
    Nontraumatic ischemic infarction of muscle, other site
    Billable
  94. M62.3
    Immobility syndrome (paraplegic)
    Billable
  95. M62.4
    Contracture of muscle
    Header
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Contracture of tendon (sheath)

    Excludes1

    • contracture of joint (M24.5-) M24.5
  96. M62.40
    Contracture of muscle, unspecified site
    Billable
  97. M62.41
    Contracture of muscle, shoulder
    Header
  98. M62.411
    Contracture of muscle, right shoulder
    Billable
  99. M62.412
    Contracture of muscle, left shoulder
    Billable
  100. M62.419
    Contracture of muscle, unspecified shoulder
    Billable
  101. M62.42
    Contracture of muscle, upper arm
    Header
  102. M62.421
    Contracture of muscle, right upper arm
    Billable
  103. M62.422
    Contracture of muscle, left upper arm
    Billable
  104. M62.429
    Contracture of muscle, unspecified upper arm
    Billable
  105. M62.43
    Contracture of muscle, forearm
    Header
  106. M62.431
    Contracture of muscle, right forearm
    Billable
  107. M62.432
    Contracture of muscle, left forearm
    Billable
  108. M62.439
    Contracture of muscle, unspecified forearm
    Billable
  109. M62.44
    Contracture of muscle, hand
    Header
  110. M62.441
    Contracture of muscle, right hand
    Billable
  111. M62.442
    Contracture of muscle, left hand
    Billable
  112. M62.449
    Contracture of muscle, unspecified hand
    Billable
  113. M62.45
    Contracture of muscle, thigh
    Header
  114. M62.451
    Contracture of muscle, right thigh
    Billable
  115. M62.452
    Contracture of muscle, left thigh
    Billable
  116. M62.459
    Contracture of muscle, unspecified thigh
    Billable
  117. M62.46
    Contracture of muscle, lower leg
    Header
  118. M62.461
    Contracture of muscle, right lower leg
    Billable
  119. M62.462
    Contracture of muscle, left lower leg
    Billable
  120. M62.469
    Contracture of muscle, unspecified lower leg
    Billable
  121. M62.47
    Contracture of muscle, ankle and foot
    Header
  122. M62.471
    Contracture of muscle, right ankle and foot
    Billable
  123. M62.472
    Contracture of muscle, left ankle and foot
    Billable
  124. M62.479
    Contracture of muscle, unspecified ankle and foot
    Billable
  125. M62.48
    Contracture of muscle, other site
    Billable
  126. M62.49
    Contracture of muscle, multiple sites
    Billable
  127. M62.5
    Muscle wasting and atrophy, not elsewhere classified
    Header
    Inclusion terms 1, Excludes1 3, Excludes2 1

    Inclusion terms

    • Disuse atrophy NEC

    Excludes1

    • neuralgic amyotrophy (G54.5) G54.5
    • progressive muscular atrophy (G12.21) G12.21
    • sarcopenia (M62.84) M62.84

    Excludes2

    • pelvic muscle wasting (N81.84) N81.84
  128. M62.50
    Muscle wasting and atrophy, not elsewhere classified, unspecified site
    Billable
  129. M62.51
    Muscle wasting and atrophy, not elsewhere classified, shoulder
    Header
  130. M62.511
    Muscle wasting and atrophy, not elsewhere classified, right shoulder
    Billable
  131. M62.512
    Muscle wasting and atrophy, not elsewhere classified, left shoulder
    Billable
  132. M62.519
    Muscle wasting and atrophy, not elsewhere classified, unspecified shoulder
    Billable
  133. M62.52
    Muscle wasting and atrophy, not elsewhere classified, upper arm
    Header
  134. M62.521
    Muscle wasting and atrophy, not elsewhere classified, right upper arm
    Billable
  135. M62.522
    Muscle wasting and atrophy, not elsewhere classified, left upper arm
    Billable
  136. M62.529
    Muscle wasting and atrophy, not elsewhere classified, unspecified upper arm
    Billable
  137. M62.53
    Muscle wasting and atrophy, not elsewhere classified, forearm
    Header
  138. M62.531
    Muscle wasting and atrophy, not elsewhere classified, right forearm
    Billable
  139. M62.532
    Muscle wasting and atrophy, not elsewhere classified, left forearm
    Billable
  140. M62.539
    Muscle wasting and atrophy, not elsewhere classified, unspecified forearm
    Billable
  141. M62.54
    Muscle wasting and atrophy, not elsewhere classified, hand
    Header
  142. M62.541
    Muscle wasting and atrophy, not elsewhere classified, right hand
    Billable
  143. M62.542
    Muscle wasting and atrophy, not elsewhere classified, left hand
    Billable
  144. M62.549
    Muscle wasting and atrophy, not elsewhere classified, unspecified hand
    Billable
  145. M62.55
    Muscle wasting and atrophy, not elsewhere classified, thigh
    Header
  146. M62.551
    Muscle wasting and atrophy, not elsewhere classified, right thigh
    Billable
  147. M62.552
    Muscle wasting and atrophy, not elsewhere classified, left thigh
    Billable
  148. M62.559
    Muscle wasting and atrophy, not elsewhere classified, unspecified thigh
    Billable
  149. M62.56
    Muscle wasting and atrophy, not elsewhere classified, lower leg
    Header
  150. M62.561
    Muscle wasting and atrophy, not elsewhere classified, right lower leg
    Billable
  151. M62.562
    Muscle wasting and atrophy, not elsewhere classified, left lower leg
    Billable
  152. M62.569
    Muscle wasting and atrophy, not elsewhere classified, unspecified lower leg
    Billable
  153. M62.57
    Muscle wasting and atrophy, not elsewhere classified, ankle and foot
    Header
  154. M62.571
    Muscle wasting and atrophy, not elsewhere classified, right ankle and foot
    Billable
  155. M62.572
    Muscle wasting and atrophy, not elsewhere classified, left ankle and foot
    Billable
  156. M62.579
    Muscle wasting and atrophy, not elsewhere classified, unspecified ankle and foot
    Billable
  157. M62.58
    Muscle wasting and atrophy, not elsewhere classified, other site
    Billable
  158. M62.59
    Muscle wasting and atrophy, not elsewhere classified, multiple sites
    Billable
  159. M62.5A
    Muscle wasting and atrophy, not elsewhere classified, back
    Header
  160. M62.5A0
    Muscle wasting and atrophy, not elsewhere classified, back, cervical
    Billable
  161. M62.5A1
    Muscle wasting and atrophy, not elsewhere classified, back, thoracic
    Billable
  162. M62.5A2
    Muscle wasting and atrophy, not elsewhere classified, back, lumbosacral
    Billable
  163. M62.5A9
    Muscle wasting and atrophy, not elsewhere classified, back, unspecified level
    Billable
  164. M62.8
    Other specified disorders of muscle
    Header
    Excludes2 1

    Excludes2

    • nontraumatic hematoma of muscle (M79.81) M79.81
  165. M62.81
    Muscle weakness (generalized)
    Billable
    Excludes1 1

    Excludes1

    • muscle weakness in sarcopenia (M62.84) M62.84
  166. M62.82
    Rhabdomyolysis
    BillableCC
    Excludes1 1

    Excludes1

    • traumatic rhabdomyolysis (T79.6) T79.6
  167. M62.83
    Muscle spasm
    Header
  168. M62.830
    Muscle spasm of back
    Billable
  169. M62.831
    Muscle spasm of calf
    Billable
    Inclusion terms 1

    Inclusion terms

    • Charley-horse
  170. M62.838
    Other muscle spasm
    Billable
  171. M62.84
    Sarcopenia
    Billable
    Inclusion terms 1, Code first 4

    Inclusion terms

    • Age-related sarcopenia

    Code first

    • underlying disease, if applicable, such as:
    • disorders of myoneural junction and muscle disease in diseases classified elsewhere (G73.-) G73
    • other and unspecified myopathies (G72.-) G72
    • primary disorders of muscles (G71.-) G71
  172. M62.85
    Dysfunction of the multifidus muscles, lumbar region
    Billable
  173. M62.89
    Other specified disorders of muscle
    Billable
    Inclusion terms 1

    Inclusion terms

    • Muscle (sheath) hernia
  174. M62.9
    Disorder of muscle, unspecified
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At M62

Excludes1

  • alcoholic myopathy (G72.1) G72.1
  • cramp and spasm (R25.2) R25.2
  • drug-induced myopathy (G72.0) G72.0
  • myalgia (M79.1-) M79.1
  • stiff-man syndrome (G25.82) G25.82

Excludes2

  • nontraumatic hematoma of muscle (M79.81) M79.81

Notes that also apply

Block M60-M63 instructions (Excludes1 7, Excludes2 1): printed on the block page.

Chapter 13 instructions (Notes 1, Excludes2 10): printed on the chapter 13 page.

Index entries

  • Myasthenic → M62.81
  • Rhabdomyolysis (idiopathic) NEC → M62.82
  • Charley-horse (quadriceps) → M62.831
  • Sarcopenia (age-related) → M62.84
  • Amyotonia → M62.89
  • Myofibrosis → M62.89
  • Myomalacia → M62.89
  • Myotonia (acquisita) (intermittens) → M62.89
  • Talma's disease → M62.89
  • Diastasismuscle → M62.00
  • Infarct, infarctionmuscle (ischemic) → M62.20
  • Immobile, immobilitysyndrome (paraplegic) → M62.3
  • Syndromeimmobility, immobilization (paraplegic) → M62.3
  • Contraction(s), contracture, contractedmuscle (postinfective) (postural) NEC → M62.40
  • Contraction(s), contracture, contractedtendon (sheath) → M62.40
  • Atrophy, atrophic (of)muscle, muscular (diffuse) (general) (idiopathic) (primary) → M62.50
  • Quadriparesismeaning muscle weakness → M62.81
  • Weak, weakening, weakness (generalized)muscle → M62.81
  • Spasm(s), spastic, spasticitymuscle NEC → M62.838
  • Dysfunctionmultifidus muscles, lumbar region → M62.85
  • Cicatrix (adherent) (contracted) (painful) (vicious)muscle → M62.89
  • Defect, defectiveextensor retinaculum → M62.89
  • Deformitymuscle (acquired) → M62.89
  • Degeneration, degenerativemuscle (fatty) (fibrous) (hyaline) (progressive) → M62.89
  • Fatiguemuscle → M62.89
  • Fibrillationmuscular → M62.89
  • Hemorrhage, hemorrhagic (concealed)muscle → M62.89
  • Hernia, hernial (acquired) (recurrent)fascia → M62.89
  • Hernia, hernial (acquired) (recurrent)muscle (sheath) → M62.89
  • Hypertrophy, hypertrophicmuscle → M62.89
  • Infiltrate, infiltrationmuscle, fatty → M62.89
  • Scar, scarringmuscle → M62.89
  • Tight, tightnessfascia (lata) → M62.89
  • Disorder (of)muscle → M62.9
  • Diastasismuscleshoulder region → M62.01-
  • Diastasismuscleupper arm → M62.02-
  • Diastasismuscleforearm → M62.03-
  • Diastasismusclehand → M62.04-
  • Diastasismusclepelvic region → M62.05-
  • Diastasismusclethigh → M62.05-

68 more, longer entries are not listed; the search box finds them by word.

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