2026 ICD-10-CM Diagnosis Code M50.820Other cervical disc disorders, mid-cervical region, unspecified level

ICD-10-CM Codes›M00–M99›M50-M54›M50

ICD-10-CM M50.820
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M50.820 is a billable ICD-10-CM diagnosis code for other cervical disc disorders, mid-cervical region, unspecified level. 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
M50.820
Billable Status
Yes — Valid for Submission
Code Describes
Other cervical disc disorders, mid-cervical region, unspecified level
Short Description
Other cervical disc disord, mid-cervical region, unsp level
Parent Code
M50.82
Other cervical disc disorders, mid-cervical region

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM50-M54Other dorsopathies
CategoryM50Cervical disc disorders
This CodeM50.820Other cervical disc disorders, mid-cervical region, unspecified level

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
          • specified type NEC
            • mid-cervical region

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 M50.820 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 M50.820 replaces the following previously assigned code(s):

  • M50.82 - Other cervical disc disorders, 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 M50.820Overview

Is M50.820 (Other cervical disc disorders, mid-cervical region) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other cervical disc disorders, mid-cervical region, unspecified level on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M50.820 group to?

When other cervical disc disorders, mid-cervical region, unspecified level 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 M50.820?

Under the General Equivalence Mappings, other cervical disc disorders, mid-cervical region, unspecified level 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.