2026 ICD-10-CM Diagnosis Code M50.13Cervical disc disorder with radiculopathy, cervicothoracic region

ICD-10-CM Codes›M00–M99›M50-M54›M50

ICD-10-CM M50.13
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M50.13 is a billable ICD-10-CM diagnosis code for cervical disc disorder with radiculopathy, cervicothoracic 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. 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 cervical spine disorders and displacement.

Code Identity

ICD-10-CM Code
M50.13
Billable Status
Yes — Valid for Submission
Code Describes
Cervical disc disorder with radiculopathy, cervicothoracic region
Short Description
Cervical disc disorder w radiculopathy, cervicothor region
Parent Code
M50.1
Cervical disc disorder with radiculopathy

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM50-M54Other dorsopathies
CategoryM50Cervical disc disorders
This CodeM50.13Cervical disc disorder with radiculopathy, cervicothoracic region

Tabular List NotesGuidance

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

Inclusion Terms

  • C7-T1 disc disorder with radiculopathy
  • C8 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)
        • with
          • radiculopathy
            • cervicothoracic region
    • Disorder(of)
      • disc (intervertebral)
        • cervical
          • with
            • neuritis, radiculitis or radiculopathy
              • C7-T1
    • Disorder(of)
      • disc (intervertebral)
        • cervical
          • with
            • neuritis, radiculitis or radiculopathy
              • cervicothoracic region
    • Radiculopathy
      • due to
        • disc disorder
          • C8

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 M50.13 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 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 M50.13Overview

Is M50.13 (Cervical disc disorder with radiculopathy) a billable code?

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

What MS-DRG does M50.13 group to?

When cervical disc disorder with radiculopathy, cervicothoracic 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 M50.13?

Under the General Equivalence Mappings, cervical disc disorder with radiculopathy, cervicothoracic region 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.