2026 ICD-10-CM Diagnosis Code M54.10Radiculopathy, site unspecified

ICD-10-CM Codes›M00–M99›M50-M54›M54

ICD-10-CM M54.10
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M54.10 is a billable ICD-10-CM diagnosis code for radiculopathy, site unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

This medical diagnosis code is frequently used in Orthopedics medical specialties to designate conditions such radiculopathy (primary).

Code Identity

ICD-10-CM Code
M54.10
Billable Status
Yes — Valid for Submission
Code Describes
Radiculopathy, site unspecified
Short Description
Radiculopathy, site unspecified
Same as the full description in the CMS dataset.
Parent Code
M54.1
Radiculopathy

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM50-M54Other dorsopathies
CategoryM54Dorsalgia
This CodeM54.10Radiculopathy, site unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Autoimmune brachial neuritis
  • Autoimmune neuritis of nerve root and/or plexus
  • Brachial neuritis
  • Brachial radiculitis
  • Chronic painful radiculopathy
  • Chronic peripheral neuropathic pain
  • Disc prolapse with radiculopathy
  • Disorder of peripheral nerve caused by ionizing radiation
  • Disorder of peripheral nervous system co-occurrent with human immunodeficiency virus infection
  • Neuritis co-occurrent with human immunodeficiency virus infection
  • Neuritis due to displacement of intervertebral disc
  • Neuritis due to rupture of intervertebral disc
  • Neuritis with AIDS
  • Neuropathy caused by ionizing radiation
  • Peripheral neuropathic pain
  • Radicular pain
  • Radicular syndrome of lower limbs
  • Radiculitis
  • Radiculitis co-occurrent with human immunodeficiency virus infection
  • Radiculitis due to displacement of intervertebral disc
  • Radiculitis due to rupture of intervertebral disc
  • Radiculitis with AIDS
  • Radiculopathy caused by electricity
  • Radiculopathy caused by radiation
  • Radiculopathy due to intervertebral disc disorder
  • Radiculopathy due to metabolic disorder
  • Radiculopathy due to neoplastic disease
  • Radiculopathy due to nutritional deficiency
  • Root irritation of non-organic origin
  • Toxic radiculopathy

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Radiculopathy

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MUS011
Spondylopathies/spondyloarthropathy (including infective)
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Grade 1 Radiculitis, CTCAE|Grade 1 Radiculitis

    mild symptoms

  • Grade 2 Radiculitis, CTCAE|Grade 2 Radiculitis

    moderate symptoms; medical intervention indicated; limiting instrumental adl

  • Grade 3 Radiculitis, CTCAE|Grade 3 Radiculitis

    severe symptoms; limiting self care adl

  • Grade 4 Radiculitis, CTCAE|Grade 4 Radiculitis

    life-threatening consequences; urgent intervention indicated

  • Grade 5 Radiculitis, CTCAE|Grade 5 Radiculitis

    death

  • Radiculitis

    an inflammatory process affecting a nerve root. patients experience pain radiating along a nerve path because of spinal pressure on the nerve root that connects to the nerve path.

  • Radiculitis, CTCAE|Radiculitis|Radiculitis

    a disorder characterized by inflammation involving a nerve root. patients experience marked discomfort radiating along a nerve path because of spinal pressure on the connecting nerve root.

  • Grade 2 Radiculitis, CTCAE|Grade 2 Radiculitis

    moderate symptoms; medical intervention indicated; limiting instrumental adl or mild/moderate impact on age-appropriate normal daily activity (pediatric)

  • Grade 3 Radiculitis, CTCAE|Grade 3 Radiculitis

    severe symptoms; limiting self-care adl or severe impact on age-appropriate normal daily activity (pediatric)

  • Thoracic Radiculitis|Thoracic Radiculopathy|Thoracic radiculitis

    inflammation of a nerve root in the thoracic area of the spine.

Patient EducationClinical

Back Pain

If you've ever groaned, "Oh, my aching back!", you are not alone. Back pain is one of the most common medical problems, affecting 8 out of 10 people at some point during their lives. Back pain can range from a dull, constant ache to a sudden, sharp pain. Acute back pain comes on suddenly and usually lasts from a few days to a few weeks.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert M54.10 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
729.2 Neuralgia/neuritis NOS
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M54.10Overview

Is M54.10 (Radiculopathy) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report radiculopathy, site unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of M54.10?

Under the General Equivalence Mappings, radiculopathy, site unspecified converts to ICD-9-CM 729.2 (neuralgia/neuritis NOS). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.