Billable FY2026 ICD-10-CM diagnosis code, spine region. What it covers, how to bill it cleanly, and what these patients sound like when they call.
Radiculopathy of the lumbar region: nerve-root symptoms (radiating leg pain, dermatomal numbness, weakness) attributed to the lumbar spine. Often paired with a structural code such as M51.26 when disc pathology is confirmed.
| Code | Description |
|---|---|
| M54.10 | Radiculopathy, site unspecified |
| M54.11 | Radiculopathy, occipito-atlanto-axial region |
| M54.12 | Radiculopathy, cervical region |
| M54.13 | Radiculopathy, cervicothoracic region |
| M54.14 | Radiculopathy, thoracic region |
| M54.15 | Radiculopathy, thoracolumbar region |
Radiating leg pain is the presentation that most demands correct phone routing: it belongs with spine, not hip or knee, no matter what the patient thinks hurts. Symptom-based routing rules catch it at intake and put the patient with the right surgeon on the first visit.
ClinicFlow's voice AI runs this intake on every call for spine practices: capturing the story, applying your routing rules, and booking the right visit type with the right surgeon. See voice AI for spine practices or the Call Library for how each call type is handled.
M54.16 is the FY2026 ICD-10-CM code for radiculopathy, lumbar region. Radiculopathy of the lumbar region: nerve-root symptoms (radiating leg pain, dermatomal numbness, weakness) attributed to the lumbar spine.
M54.3- covers sciatica as a symptom; M54.16 is lumbar radiculopathy as a clinical diagnosis. Documentation of dermatomal findings supports the radiculopathy code.
Yes. M54.16 appears in the official FY2026 ICD-10-CM code set (effective October 1, 2025). ICD-10-CM is public-domain CMS data; verify annually as codes are revised each fiscal year.
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