2026 ICD-10-CM Diagnosis Code M43.5X3Other recurrent vertebral dislocation, cervicothoracic region

ICD-10-CM Codes›M00–M99›M40-M43›M43

ICD-10-CM M43.5X3
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M43.5X3 is a billable ICD-10-CM diagnosis code for other recurrent vertebral dislocation, cervicothoracic region. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 564 through 566. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M43.5X3
Billable Status
Yes — Valid for Submission
Code Describes
Other recurrent vertebral dislocation, cervicothoracic region
Short Description
Oth recurrent vertebral dislocation, cervicothoracic region
Parent Code
M43.5X
Other recurrent vertebral dislocation

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM40-M43Deforming dorsopathies
CategoryM43Other deforming dorsopathies
This CodeM43.5X3Other recurrent vertebral dislocation, cervicothoracic 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

Dislocations

Dislocations are joint injuries that force the ends of your bones out of position. The cause is often a fall or a blow, sometimes from playing a contact sport. You can dislocate your ankles, knees, shoulders, hips, elbows and jaw. You can also dislocate your finger and toe joints.

Read the full article at MedlinePlus

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Convert M43.5X3 to ICD-9-CMHistory

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

ICD-9-CM
718.38 Recur dislocat-jt NEC
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 M43.5X3Overview

Is M43.5X3 (Other recurrent vertebral dislocation) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other recurrent vertebral dislocation, cervicothoracic region on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M43.5X3 group to?

When other recurrent vertebral dislocation, cervicothoracic region is the principal diagnosis on an inpatient stay, it groups to MS-DRG 564, 565, 566, with relative weights from 0.7493 to 1.5436 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M43.5X3?

Under the General Equivalence Mappings, other recurrent vertebral dislocation, cervicothoracic region converts to ICD-9-CM 718.38 (recur dislocat-jt NEC). 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.