M60.021 is the authoritative medical code for Infective myositis, right upper arm. This classification is used in medical billing and clinical recording to specify the clinical criteria for infective myositis, right upper arm (ICD-10-CM M60.021), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Infective myositis, right upper arm is a billable ICD-10-CM diagnosis code M60.021. Excludes1 (not 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): inclusion body myositis IBM; muscular dystrophies and myopathies G71-G72. Use additional code: code B95-B97 to identify infectious agent.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M60.021 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- 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
Conditions not covered by this code, but which may be reported alongside it when both are present.
- inclusion body myositis IBM
- muscular dystrophies and myopathies G71-G72
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code B95-B97 to identify infectious agent
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M60.021?
Per Excludes1 instructions, M60.021 must not be reported with: dermatopolymyositis (M33.-); myopathy in amyloidosis (E85.-); myopathy in polyarteritis nodosa (M30.0); myopathy in rheumatoid arthritis (M05.32).
Can M60.021 be reported alongside related conditions?
Per Excludes2 instructions, M60.021 and the following may both be reported when both are present: inclusion body myositis [IBM] (G72.41); muscular dystrophies and myopathies (G71-G72).
Is an additional code needed with M60.021?
Use additional code(s) to specify: code (B95-B97) to identify infectious agent.
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as M60.021, with their registry titles.
- M60 — Myositis
- M60-M63 — Disorders of muscles (M60-M63)
- M60-M79 — Soft tissue disorders (M60-M79)
- M60.0 — Infective myositis
- M60.00 — Infective myositis, unspecified site
- M60.000 — Infective myositis, unspecified right arm
- M60.001 — Infective myositis, unspecified left arm
- M60.002 — Infective myositis, unspecified arm
- M60.003 — Infective myositis, unspecified right leg
- M60.004 — Infective myositis, unspecified left leg
- M60.005 — Infective myositis, unspecified leg
- M60.009 — Infective myositis, unspecified site
- M60.01 — Infective myositis, shoulder
- M60.011 — Infective myositis, right shoulder
- M60.012 — Infective myositis, left shoulder
- M60.019 — Infective myositis, unspecified shoulder
- M60.02 — Infective myositis, upper arm
- M60.022 — Infective myositis, left upper arm
- M60.029 — Infective myositis, unspecified upper arm
- M60.03 — Infective myositis, forearm
- M60.031 — Infective myositis, right forearm
- M60.032 — Infective myositis, left forearm
- M60.039 — Infective myositis, unspecified forearm
- M60.04 — Infective myositis, hand and fingers
- M60.041 — Infective myositis, right hand
- M60.042 — Infective myositis, left hand
- M60.043 — Infective myositis, unspecified hand
- M60.044 — Infective myositis, right finger(s)
- 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
- 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
- M60.070 — Infective myositis, right ankle
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: