M62.40 Contracture of muscle, unspecified site

Billable ICD-10-CM code, FY2026.

Applies from M62 Other disorders of muscle

Excludes1 (never code together)

• 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)

Applies from M62.4 Contracture of muscle

Applicable to

• Contracture of tendon (sheath)

Excludes1 (never code together)

• contracture of joint (M24.5-)

MS-DRG index

Defines the logic of DRG(s) 555-556 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 728.85 Spasm of muscle (approximate)

Code annotations containing back-references to M62.40

Back-references to M62.4

• Type 1 Excludes: M24.5 Contracture of joint ("contracture of muscle without contracture of joint (M62.4-)")
• Type 1 Excludes: M24.5 Contracture of joint ("contracture of tendon (sheath) without contracture of joint (M62.4-)")

Diagnosis Index entries for M62.40

• Contraction (s), contracture, contracted › muscle (postinfective) (postural) NEC
• Contraction (s), contracture, contracted › tendon (sheath)

Nearby codes

• M62.272 Nontraumatic ischemic infarction of muscle, left ankle and foot
• M62.279 Nontraumatic ischemic infarction of muscle, unspecified ankle and foot
• M62.28 Nontraumatic ischemic infarction of muscle, other site
• M62.3 Immobility syndrome (paraplegic)
• M62.4 Contracture of muscle
• M62.40 Contracture of muscle, unspecified site (this code)
• M62.41 Contracture of muscle, shoulder
• M62.411 Contracture of muscle, right shoulder
• M62.412 Contracture of muscle, left shoulder
• M62.419 Contracture of muscle, unspecified shoulder
• M62.42 Contracture of muscle, upper arm