All ICD10 Codes
Chapter 13

M00–M99: Diseases of the Musculoskeletal System and Connective Tissue

Diseases of the Musculoskeletal System and Connective Tissue diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
All CodesBillable Only
Internal Codes
PrevNext
  • M61.459—

    Other calcification of muscle, unspecified thigh

  • 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

  • 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

  • M61.48—

    Other calcification of muscle, other site

  • M61.49—

    Other calcification of muscle, multiple sites

  • M61.50—

    Other ossification of muscle, unspecified site

  • M61.511—

    Other ossification of muscle, right shoulder

  • M61.512—

    Other ossification of muscle, left shoulder

  • M61.519—

    Other ossification of muscle, unspecified shoulder

  • 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

  • M61.531—

    Other ossification of muscle, right forearm

  • M61.532—

    Other ossification of muscle, left forearm

  • M61.539—

    Other ossification of muscle, unspecified forearm

  • M61.541—

    Other ossification of muscle, right hand

  • M61.542—

    Other ossification of muscle, left hand

  • M61.549—

    Other ossification of muscle, unspecified hand

  • M61.551—

    Other ossification of muscle, right thigh

  • M61.552—

    Other ossification of muscle, left thigh

  • M61.559—

    Other ossification of muscle, unspecified thigh

  • 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

  • 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

  • M61.58—

    Other ossification of muscle, other site

  • M61.59—

    Other ossification of muscle, multiple sites

  • M61.9—

    Calcification and ossification of muscle, unspecified

  • M62.00—

    Separation of muscle (nontraumatic), unspecified site

  • M62.011—

    Separation of muscle (nontraumatic), right shoulder

  • M62.012—

    Separation of muscle (nontraumatic), left shoulder

  • M62.019—

    Separation of muscle (nontraumatic), unspecified shoulder

  • M62.021—

    Separation of muscle (nontraumatic), right upper arm

  • M62.022—

    Separation of muscle (nontraumatic), left upper arm

  • M62.029—

    Separation of muscle (nontraumatic), unspecified upper arm

  • M62.031—

    Separation of muscle (nontraumatic), right forearm

  • M62.032—

    Separation of muscle (nontraumatic), left forearm

  • M62.039—

    Separation of muscle (nontraumatic), unspecified forearm

  • M62.041—

    Separation of muscle (nontraumatic), right hand

  • M62.042—

    Separation of muscle (nontraumatic), left hand

  • M62.049—

    Separation of muscle (nontraumatic), unspecified hand

  • M62.051—

    Separation of muscle (nontraumatic), right thigh

  • M62.052—

    Separation of muscle (nontraumatic), left thigh

  • M62.059—

    Separation of muscle (nontraumatic), unspecified thigh

PreviousPage 68 of 141Next