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)
From Chapter 13:
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
From Section M60-M63:
dermatopolymyositis (M33.-)
muscular dystrophies and myopathies (G71-G72)
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.-)
M61.1 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
M61.10
Myositis ossificans progressiva, unspecified site
Billable
10
M61.11
Myositis ossificans progressiva, shoulder
10
M61.12
Myositis ossificans progressiva, upper arm
10
M61.13
Myositis ossificans progressiva, forearm
10
M61.14
Myositis ossificans progressiva, hand and finger(s)
10
M61.15
Myositis ossificans progressiva, thigh
10
M61.16
Myositis ossificans progressiva, lower leg
10
M61.17
Myositis ossificans progressiva, ankle, foot and toe(s)