M51.1 vs M54.3
M51.1 (Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy) compared with M54.3 (Sciatica), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. M51.1 carries an Excludes1 note covering M54.3: “sciatica NOS (M54.3)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. M54.3 carries an Excludes1 note covering M51.1: “sciatica due to intervertebral disc disorder (M51.1-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| M51.1Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy | M54.3Sciatica | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy is a non-billable ICD-10-CM category code (M51.1). | Sciatica is a non-billable ICD-10-CM category code (M54.3). |
| Includes | Sciatica due to intervertebral disc disorder | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources