2026 ICD-10-CM Diagnosis Code M50.123Cervical disc disorder at C6-C7 level with radiculopathy

ICD-10-CM Codes›M00–M99›M50-M54›M50

ICD-10-CM M50.123
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M50.123 is a billable ICD-10-CM diagnosis code for cervical disc disorder at C6-C7 level with radiculopathy. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M50.123
Billable Status
Yes — Valid for Submission
Code Describes
Cervical disc disorder at C6-C7 level with radiculopathy
Short Description
Cervical disc disorder at C6-C7 level with radiculopathy
Same as the full description in the CMS dataset.
Parent Code
M50.12
Cervical disc disorder with radiculopathy, mid-cervical region

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM50-M54Other dorsopathies
CategoryM50Cervical disc disorders
This CodeM50.123Cervical disc disorder at C6-C7 level with radiculopathy

Tabular List NotesGuidance

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

Inclusion Terms

  • C6-C7 disc disorder with radiculopathy
  • C7 radiculopathy due to disc disorder

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.

    • Disorder(of)
      • disc (intervertebral)
        • cervical
          • with
            • neuritis, radiculitis or radiculopathy
              • C6-C7
    • Radiculopathy
      • due to
        • disc disorder
          • C7

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

Patient EducationClinical

Neck Injuries and Disorders

Any part of your neck - muscles, bones, joints, tendons, ligaments, or nerves - can cause neck problems. Neck pain is very common. Pain may also come from your shoulder, jaw, head, or upper arms.

Read the full article at MedlinePlus

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

Convert M50.123 to ICD-9-CMHistory

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

ICD-9-CM
722.91 Disc dis NEC/NOS-cerv
Approximate The match is approximate rather than exact.

Code History & ChangesHistory

Replacement M50.123 replaces the following previously assigned code(s):

  • M50.12 - Cervical disc disorder w radiculopathy, mid-cervical region
FY 2018AddedAdded to the ICD-10-CM code setEffective October 1, 2017.
FY 2019–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M50.123Overview

Is M50.123 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report cervical disc disorder at C6-C7 level with radiculopathy on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M50.123 group to?

When cervical disc disorder at C6-C7 level with radiculopathy 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 M50.123?

Under the General Equivalence Mappings, cervical disc disorder at C6-C7 level with radiculopathy converts to ICD-9-CM 722.91 (disc dis NEC/NOS-cerv). 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.