ICD-10-CM › M00-M99 › M60-M63 › M62.4 Contracture of muscle › M62.46
Contracture of muscle, lower leg
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 3 more specific codes instead:
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Contracture of muscle, lower leg
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.
- Sloughing > tendon
- Tight, tightness > tendon
- Slipped, slipping > tendon
- Disorder > tendon > contracture
- Cicatrix > muscle > with contracture
- Disease, diseased > tendon, tendinous
- Short, shortening, shortness > tendon
- Contraction, contracture, contracted > flaccid
- Short, shortening, shortness > tibialis anterior
- Contraction, contracture, contracted > paralytic > muscle
- Contraction, contracture, contracted > tendon > lower leg
- Contraction, contracture, contracted > muscle NEC > lower leg
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M62.40 | Contracture of muscle, unspecified site | Valid |
| M62.41 | Contracture of muscle, shoulder | Not billable |
| M62.42 | Contracture of muscle, upper arm | Not billable |
| M62.43 | Contracture of muscle, forearm | Not billable |
| M62.44 | Contracture of muscle, hand | Not billable |
| M62.45 | Contracture of muscle, thigh | Not billable |
| M62.47 | Contracture of muscle, ankle and foot | Not billable |
| M62.48 | Contracture of muscle, other site | Valid |
| M62.49 | Contracture of muscle, multiple sites | Valid |