ICD-10/M60.85

M60.85 ICD 2026 Code: Other myositis, thigh

M60.85 is the authoritative medical code for Other myositis, thigh. This classification is used in medical billing and clinical recording to specify the clinical criteria for other myositis, thigh (ICD-10-CM M60.85), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Other myositis, thigh is a non-billable ICD-10-CM category code M60.85. A more specific billable subcode must be selected for claims submission. 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 M60.85 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

Can M60.85 be billed directly?

No. M60.85 (Other myositis, thigh) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with M60.85?

Per Excludes1 instructions, M60.85 must not be reported with: dermatopolymyositis (M33.-); myopathy in amyloidosis (E85.-); myopathy in polyarteritis nodosa (M30.0); myopathy in rheumatoid arthritis (M05.32).

Can M60.85 be reported alongside related conditions?

Per Excludes2 instructions, M60.85 and the following may both be reported when both are present: inclusion body myositis [IBM] (G72.41); muscular dystrophies and myopathies (G71-G72).

Codes in This Family (3)

Official ICD-10-CM classifications in the same code family as M60.85, with their registry titles.

  • M60.851 — Other myositis, right thigh
  • M60.852 — Other myositis, left thigh
  • M60.859 — Other myositis, unspecified thigh

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:

ICD Code M62.85 Dysfunction of the multifidus muscles, lumbar region
ICD Code M63.85 Disorders of muscle in diseases classified elsewhere, thigh
ICD Code M65.85 Other synovitis and tenosynovitis, thigh
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