M62.21 is the authoritative medical code for Nontraumatic ischemic infarction of muscle, shoulder. This classification is used in medical billing and clinical recording to specify the clinical criteria for nontraumatic ischemic infarction of muscle, shoulder (ICD-10-CM M62.21), 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
Nontraumatic ischemic infarction of muscle, shoulder is a non-billable ICD-10-CM category code M62.21. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): compartment syndrome traumatic T79.A-; nontraumatic compartment syndrome M79.A-; traumatic ischemia of muscle T79.6; rhabdomyolysis M62.82; Volkmann's ischemic contracture T79.6; alcoholic myopathy G72.1; cramp and spasm R25.2; drug-induced myopathy G72.0; myalgia M79.1-; stiff-man syndrome G25.82; 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): nontraumatic hematoma of muscle M79.81; muscular dystrophies and myopathies G71-G72.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M62.21 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.
- compartment syndrome traumatic T79.A-
- nontraumatic compartment syndrome M79.A-
- traumatic ischemia of muscle T79.6
- rhabdomyolysis M62.82
- Volkmann's ischemic contracture T79.6
- alcoholic myopathy G72.1
- cramp and spasm R25.2
- drug-induced myopathy G72.0
- myalgia M79.1-
- stiff-man syndrome G25.82
- 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.
- nontraumatic hematoma of muscle M79.81
- muscular dystrophies and myopathies G71-G72
Frequently Asked Questions (FAQ) & Clinical Guidance
Can M62.21 be billed directly?
No. M62.21 (Nontraumatic ischemic infarction of muscle, shoulder) 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 M62.21?
Per Excludes1 instructions, M62.21 must not be reported with: compartment syndrome (traumatic) (T79.A-); nontraumatic compartment syndrome (M79.A-); traumatic ischemia of muscle (T79.6); rhabdomyolysis (M62.82).
Can M62.21 be reported alongside related conditions?
Per Excludes2 instructions, M62.21 and the following may both be reported when both are present: nontraumatic hematoma of muscle (M79.81); muscular dystrophies and myopathies (G71-G72).
Codes in This Family (3)
Official ICD-10-CM classifications in the same code family as M62.21, with their registry titles.
- M62.211 — Nontraumatic ischemic infarction of muscle, right shoulder
- M62.212 — Nontraumatic ischemic infarction of muscle, left shoulder
- M62.219 — Nontraumatic ischemic infarction of muscle, unspecified shoulder
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 M60.21
Foreign body granuloma of soft tissue, not elsewhere classified, shoulder
ICD Code M61.21
Paralytic calcification and ossification of muscle, shoulder