M00–M99: Diseases of the Musculoskeletal System and Connective Tissue
Chapter 13 of ICD-10-CM 2027, 8,707 codes in 24 blocks.
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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)
Codes in this chapter
All codesBillable only8,707 results
- M21.752Unequal limb length (acquired), left femur
- M21.759Unequal limb length (acquired), unspecified femur
- M21.76Unequal limb length (acquired), tibia and fibula
- M21.761Unequal limb length (acquired), right tibia
- M21.762Unequal limb length (acquired), left tibia
- M21.763Unequal limb length (acquired), right fibula
- M21.764Unequal limb length (acquired), left fibula
- M21.769Unequal limb length (acquired), unspecified tibia and fibula
- M21.8Other specified acquired deformities of limbs
- M21.80Other specified acquired deformities of unspecified limb
- M21.82Other specified acquired deformities of upper arm
- M21.821Other specified acquired deformities of right upper arm
- M21.822Other specified acquired deformities of left upper arm
- M21.829Other specified acquired deformities of unspecified upper arm
- M21.83Other specified acquired deformities of forearm
- M21.831Other specified acquired deformities of right forearm
- M21.832Other specified acquired deformities of left forearm
- M21.839Other specified acquired deformities of unspecified forearm
- M21.85Other specified acquired deformities of thigh
- M21.851Other specified acquired deformities of right thigh
- M21.852Other specified acquired deformities of left thigh
- M21.859Other specified acquired deformities of unspecified thigh
- M21.86Other specified acquired deformities of lower leg
- M21.861Other specified acquired deformities of right lower leg
- M21.862Other specified acquired deformities of left lower leg
- M21.869Other specified acquired deformities of unspecified lower leg
- M21.9Unspecified acquired deformity of limb and hand
- M21.90Unspecified acquired deformity of unspecified limb
- M21.92Unspecified acquired deformity of upper arm
- M21.921Unspecified acquired deformity of right upper arm
- M21.922Unspecified acquired deformity of left upper arm
- M21.929Unspecified acquired deformity of unspecified upper arm
- M21.93Unspecified acquired deformity of forearm
- M21.931Unspecified acquired deformity of right forearm
- M21.932Unspecified acquired deformity of left forearm
- M21.939Unspecified acquired deformity of unspecified forearm
- M21.94Unspecified acquired deformity of hand
- M21.941Unspecified acquired deformity of hand, right hand
- M21.942Unspecified acquired deformity of hand, left hand
- M21.949Unspecified acquired deformity of hand, unspecified hand
- M21.95Unspecified acquired deformity of thigh
- M21.951Unspecified acquired deformity of right thigh
- M21.952Unspecified acquired deformity of left thigh
- M21.959Unspecified acquired deformity of unspecified thigh
- M21.96Unspecified acquired deformity of lower leg
- M21.961Unspecified acquired deformity of right lower leg
- M21.962Unspecified acquired deformity of left lower leg
- M21.969Unspecified acquired deformity of unspecified lower leg
- M22Disorder of patella
- M22.0Recurrent dislocation of patella
