2026 ICD-10-CM Diagnosis Code M50.01Cervical disc disorder with myelopathy, high cervical region
ICD-10-CM Codes›M00–M99›M50-M54›M50
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Chronic Condition
M50.01 is a billable ICD-10-CM diagnosis code for cervical disc disorder with myelopathy, high cervical 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. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 14 closely related codes. 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
Code Classification
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- C2-C3 disc disorder with myelopathy
- C3-C4 disc disorder with myelopathy
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disorder (of) See Also: Disease;
high cervical region M50.01
C2-C3 M50.01
C3-C4 M50.01
high cervical region M50.01
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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.
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Convert M50.01 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M50.01Overview
What is the ICD-10 code for cervical disc disorder with myelopathy, high cervical region?
The ICD-10-CM code for cervical disc disorder with myelopathy, high cervical region is M50.01 (sometimes written as M5001). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is M50.01 (Cervical disc disorder with myelopathy) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report cervical disc disorder with myelopathy, high cervical region on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does M50.01 group to?
When cervical disc disorder with myelopathy, high cervical 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.
Is M50.01 a CC or MCC?
CMS lists M50.01 as a CC (complication or comorbidity) for FY 2026. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 14 closely related codes in its exclusion list.
What is the ICD-9 equivalent of M50.01?
Under the General Equivalence Mappings, cervical disc disorder with myelopathy, high cervical region converts to ICD-9-CM 722.71 (cerv disc dis w myelopat). The mapping is approximate, so confirm the match fits the documentation.
