ICD-10-CM › M00-M99 › M60-M63 › M62.8 Other specified disorders of muscle › M62.85
M62.85
Dysfunction of the multifidus muscles, lumbar region
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2025 to now.
- FY2025 Added to the code set Dysfunction of the multifidus muscles, lumbar region
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from M62 Other disorders of muscle
Excludes1 - never coded here
- alcoholic myopathy (G72.1)
- cramp and spasm (R25.2)
- drug-induced myopathy (G72.0)
- myalgia (M79.1-)
- stiff-man syndrome (G25.82)
Excludes2 - not included here
- nontraumatic hematoma of muscle (M79.81)
Inherited from the M60-M63 section Disorders of muscles (M60-M63)
Excludes1 - never coded here
- 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 - not included here
- muscular dystrophies and myopathies (G71-G72)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Malfunction
- Dysfunction > multifidus muscles, lumbar region
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M62.81 | Muscle weakness (generalized) | Valid |
| M62.82 | Rhabdomyolysis | Valid |
| M62.83 | Muscle spasm | Not billable |
| M62.84 | Sarcopenia | Valid |
| M62.89 | Other specified disorders of muscle | Valid |