2026 ICD-10-CM Diagnosis Code M51.06Intervertebral disc disorders with myelopathy, lumbar region

ICD-10-CM Codes›M00–M99›M50-M54›M51

ICD-10-CM M51.06
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M51.06 is a billable ICD-10-CM diagnosis code for intervertebral disc disorders with myelopathy, lumbar region. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 551 through 552. Coders also document this condition as disorder of lumbosacral intervertebral disc. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Low back pain and Spondylopathies/spondyloarthropathy (including infective).

This medical diagnosis code is frequently used in Orthopedics medical specialties to designate conditions such thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders.

Code Identity

ICD-10-CM Code
M51.06
Billable Status
Yes — Valid for Submission
Code Describes
Intervertebral disc disorders with myelopathy, lumbar region
Short Description
Intervertebral disc disorders with myelopathy, lumbar region
Same as the full description in the CMS dataset.
Parent Code
M51.0
Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with myelopathy

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM50-M54Other dorsopathies
CategoryM51Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
This CodeM51.06Intervertebral disc disorders with myelopathy, lumbar region

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Disorder of lumbosacral intervertebral disc
  • Intervertebral disc disorder of lumbar region with myelopathy
  • Intervertebral disc disorder with myelopathy
  • Lumbar disc prolapse with myelopathy
  • Myelopathy co-occurrent and due to lumbosacral intervertebral disc disorder
  • Myelopathy due to intervertebral disc disease

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.

    • Degeneration, degenerative
      • intervertebral disc
        • lumbar region
          • with
            • myelopathy
    • Disease, diseased
      • intervertebral disc
        • lumbar (with)
          • myelopathy
    • Disorder(of)
      • disc (intervertebral)
        • with
          • myelopathy
            • lumbar region
    • Displacement, displaced
      • intervertebral disc NEC
        • lumbar region
          • with
            • myelopathy

Clinical ClassificationClinical

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

CCSR MUS038
Low back pain
Default principal diagnosis: inpatient No · outpatient No
CCSR MUS011
Spondylopathies/spondyloarthropathy (including infective)
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Spinal Cord Diseases

Your spinal cord is a bundle of nerves that runs down the middle of your back. It carries signals back and forth between your body and your brain. It is protected by your vertebrae, which are the bone disks that make up your spine.

Read the full article at MedlinePlus

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

Convert M51.06 to ICD-9-CMHistory

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

ICD-9-CM
722.73 Lumb disc dis w myelopat
Exact Match The mapping is direct, with no qualifiers.

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 M51.06Overview

Is M51.06 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report intervertebral disc disorders with myelopathy, lumbar region on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M51.06 group to?

When intervertebral disc disorders with myelopathy, lumbar region is the principal diagnosis on an inpatient stay, it groups to MS-DRG 551, 552, with relative weights from 0.9613 to 1.6761 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M51.06?

Under the General Equivalence Mappings, intervertebral disc disorders with myelopathy, lumbar region converts to ICD-9-CM 722.73 (lumb disc dis w myelopat). The mapping is a direct match.

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.