2026 ICD-10-CM Diagnosis Code M51.379Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain

ICD-10-CM Codes›M00–M99›M50-M54›M51

ICD-10-CM M51.379
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M51.379 is a billable ICD-10-CM diagnosis code for other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain. 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 degeneration of lumbar intervertebral disc. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M51.379
Billable Status
Yes — Valid for Submission
Code Describes
Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain
Short Description
Oth intvrt disc degen, lumbosacr w/o lum bck or lw extrm pn
Parent Code
M51.37
Other intervertebral disc degeneration, lumbosacral region

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM50-M54Other dorsopathies
CategoryM51Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
This CodeM51.379Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Degeneration of lumbar intervertebral disc
  • Degeneration of lumbosacral intervertebral disc
  • Disorder of lumbosacral intervertebral disc

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or leg pain
  • Other intervertebral disc degeneration, lumbosacral region, NOS

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

Code History & ChangesHistory

Replacement M51.379 replaces the following previously assigned code(s):

  • M51.37 - Other intervertebral disc degeneration, lumbosacral region
FY 2025AddedAdded to the ICD-10-CM code setEffective October 1, 2024.
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M51.379Overview

Is M51.379 (Other intervertebral disc degeneration, lumbosacral region) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M51.379 group to?

When other intervertebral disc degeneration, lumbosacral region without mention of lumbar back pain or lower extremity pain 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.

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.