2026 ICD-10-CM Diagnosis Code M47.022Vertebral artery compression syndromes, cervical region

ICD-10-CM Codes›M00–M99›M45-M49›M47

ICD-10-CM M47.022
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M47.022 is a billable ICD-10-CM diagnosis code for vertebral artery compression syndromes, 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 22 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M47.022
Billable Status
Yes — Valid for Submission
Code Describes
Vertebral artery compression syndromes, cervical region
Short Description
Vertebral artery compression syndromes, cervical region
Same as the full description in the CMS dataset.
Parent Code
M47.02
Vertebral artery compression syndromes

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM45-M49Spondylopathies
CategoryM47Spondylosis
This CodeM47.022Vertebral artery compression syndromes, cervical region

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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 M47.022 to ICD-9-CMHistory

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

ICD-9-CM
721.1 Cerv spondyl w myelopath
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 M47.022Overview

What is the ICD-10 code for vertebral artery compression syndromes, cervical region?

The ICD-10-CM code for vertebral artery compression syndromes, cervical region is M47.022 (sometimes written as M47022). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is M47.022 (Vertebral artery compression syndromes) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report vertebral artery compression syndromes, cervical region on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M47.022 group to?

When vertebral artery compression syndromes, 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 M47.022 a CC or MCC?

CMS lists M47.022 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 22 closely related codes in its exclusion list.

What is the ICD-9 equivalent of M47.022?

Under the General Equivalence Mappings, vertebral artery compression syndromes, cervical region converts to ICD-9-CM 721.1 (cerv spondyl w myelopath). The mapping is approximate, so confirm the match fits the documentation.