2026 ICD-10-CM Diagnosis Code M50.120Mid-cervical disc disorder, unspecified level

ICD-10-CM CodesM00–M99M50-M54M50

ICD-10-CM M50.120
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M50.120 is a billable ICD-10-CM diagnosis code for mid-cervical disc disorder, 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
M50.120
Billable Status
Yes — Valid for Submission
Code Describes
Mid-cervical disc disorder, unspecified level
Short Description
Mid-cervical disc disorder, unspecified level
Same as the full description in the CMS dataset.
Parent Code
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 CodeM50.120Mid-cervical disc disorder, unspecified level

Index to Diseases and InjuriesGuidance

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

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Convert M50.120 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 M50.120 replaces the following previously assigned code(s):

  • M50.12 - Cervical disc disorder w radiculopathy, mid-cervical region
FY 2019AddedAdded to the ICD-10-CM code setEffective October 1, 2018.
FY 2020–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M50.120Overview

What is the ICD-10 code for mid-cervical disc disorder, unspecified level?

The ICD-10-CM code for mid-cervical disc disorder, unspecified level is M50.120 (sometimes written as M50120). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is M50.120 a billable code?

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

What MS-DRG does M50.120 group to?

When mid-cervical disc disorder, 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 M50.120?

Under the General Equivalence Mappings, mid-cervical disc disorder, 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.