M60.059 Infective myositis, unspecified thigh

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from M60 Myositis

Excludes2 (not included here)

• inclusion body myositis [IBM] (G72.41)

Applies from M60.0 Infective myositis

Applicable to

• Tropical pyomyositis

Use additional code

• code (B95-B97) to identify infectious agent

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 728.0 Infective myositis (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to M60.059

Back-references to M60

• Type 2 Excludes: G71 Primary disorders of muscles ("myositis (M60.-)")
• Type 1 Excludes: G72 Other and unspecified myopathies ("myositis (M60.-)")
• Type 1 Excludes: M79.1 Myalgia ("myositis (M60.-)")

Nearby codes

• M60.045 Infective myositis, left finger(s)
• M60.046 Infective myositis, unspecified finger(s)
• M60.05 Infective myositis, thigh
• M60.051 Infective myositis, right thigh
• M60.052 Infective myositis, left thigh
• M60.059 Infective myositis, unspecified thigh (this code)
• M60.06 Infective myositis, lower leg
• M60.061 Infective myositis, right lower leg
• M60.062 Infective myositis, left lower leg
• M60.069 Infective myositis, unspecified lower leg
• M60.07 Infective myositis, ankle, foot and toes