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M79.A1

⚠ Non-billable (Header)

Nontraumatic compartment syndrome of upper extremity

Diseases of the musculoskeletal system and connective tissue (M00-M99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Nontraumatic compartment syndrome of shoulder, arm, forearm, wrist, hand, and fingers

❌ Excludes1

inherited from M79.A

Rules from parent category M79.A: Nontraumatic compartment syndrome

  • • compartment syndrome NOS (T79.A-)
  • • fibromyalgia (M79.7)
  • • nontraumatic ischemic infarction of muscle (M62.2-)
  • • traumatic compartment syndrome (T79.A-)

📋 Code Instructions

from M79.A
  • • Code first: , if applicable, associated postprocedural complication

Child Codes (3)

M79.A11Nontraumatic compartment syndrome of right upper extremityM79.A12Nontraumatic compartment syndrome of left upper extremityM79.A19Nontraumatic compartment syndrome of unspecified upper extremity

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Code Information

CodeM79.A1
BillableNo — Header code
ParentM79.A
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes14 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)