M60.821 Other myositis, right upper arm

Billable ICD-10-CM code, FY2026.

Applies from M60 Myositis

Excludes2 (not included here)

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

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 729.1 Myalgia and myositis, unspecified (approximate)

Code annotations containing back-references to M60.821

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

• M60.81 Other myositis shoulder
• M60.811 Other myositis, right shoulder
• M60.812 Other myositis, left shoulder
• M60.819 Other myositis, unspecified shoulder
• M60.82 Other myositis, upper arm
• M60.821 Other myositis, right upper arm (this code)
• M60.822 Other myositis, left upper arm
• M60.829 Other myositis, unspecified upper arm
• M60.83 Other myositis, forearm
• M60.831 Other myositis, right forearm
• M60.832 Other myositis, left forearm