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M54.42

✓ Billable

Lumbago with sciatica, left side

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

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❌ Excludes1

inherited from M54.4

Rules from parent category M54.4: Lumbago with sciatica

  • • intervertebral disc degeneration, lumbar region with discogenic back pain and lower extremity pain (M51.362)
  • • intervertebral disc degeneration, lumbosacral region with discogenic back pain and lower extremity pain (M51.372)
  • • lumbago with sciatica due to intervertebral disc disorder (M51.1-)

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Code Information

CodeM54.42
BillableYes
ParentM54.4
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes13 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)