ICD-10/M60.829

M60.829 ICD 2026 Code: Other myositis, unspecified upper arm

M60.829 is the authoritative medical code for Other myositis, unspecified upper arm. This classification is used in medical billing and clinical recording to specify the clinical criteria for other myositis, unspecified upper arm (ICD-10-CM M60.829), 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

Other myositis, unspecified upper arm is a billable ICD-10-CM diagnosis code M60.829. 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.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M60.829 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

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with M60.829?

Per official ICD-10-CM Excludes1 instructions, M60.829 must not be reported together with: dermatopolymyositis (M33.-); myopathy in amyloidosis (E85.-); myopathy in polyarteritis nodosa (M30.0); myopathy in rheumatoid arthritis (M05.32).

Can M60.829 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, M60.829 and the following are not considered part of each other and may both be reported when both conditions are present: inclusion body myositis [IBM] (G72.41); muscular dystrophies and myopathies (G71-G72).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to M60.829 in its code family, 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

View all 40 codes in the M60 family