2026 ICD-10-CM Diagnosis Code M51.06Intervertebral disc disorders with myelopathy, lumbar region
ICD-10-CM Codes›M00–M99›M50-M54›M51
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Chronic Condition
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. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 3 closely related codes. 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
Code Classification
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.
Disease, diseased See Also: Syndrome;
intervertebral disc See Also: Disorder, disc;
myelopathy M51.06
Disorder (of) See Also: Disease;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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.
Code HistoryHistory
Questions About M51.06Overview
What is the ICD-10 code for intervertebral disc disorders with myelopathy, lumbar region?
The ICD-10-CM code for intervertebral disc disorders with myelopathy, lumbar region is M51.06 (sometimes written as M5106). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
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.
Is M51.06 a CC or MCC?
CMS lists M51.06 as a CC (complication or comorbidity) for FY 2026. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 3 closely related codes in its exclusion list.
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.