2027 ICD-10-CM Diagnosis Code M53.2X5Spinal instabilities, thoracolumbar region

ICD-10-CM Codes›M00–M99›M50-M54›M53

ICD-10-CM M53.2X5
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

M53.2X5 is a billable ICD-10-CM diagnosis code for spinal instabilities, thoracolumbar region. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 564 through 566. Coders also document this condition as lumbar spine instability. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M53.2X5
Billable Status
Yes — Valid for Submission
Code Describes
Spinal instabilities, thoracolumbar region
Short Description
Spinal instabilities, thoracolumbar region
Same as the full description in the CMS dataset.
Parent Code
M53.2X
Spinal instabilities

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM50-M54Other dorsopathies
CategoryM53Other and unspecified dorsopathies, not elsewhere classified
This CodeM53.2X5Spinal instabilities, thoracolumbar region

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Lumbar spine instability
  • Thoracic spine instability
  • Thoracolumbar spinal instability

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to M53.2X5: its own notes plus those printed at block M50-M54 and Chapter 13. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block M50-M54 Other dorsopathies applies to 133 codes
  • current injury - see injury of spine by body region
  • discitis NOS (M46.4-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

General instructions on how these codes are used.

From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name M53.2X5, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming M53.2X5: they are not reported together with it, unless the two conditions are unrelated.

  • G55 Nerve root and plexus compressions in diseases classified elsewhere
    nerve root compression (due to) (in) dorsopathies (M53.-, M54.-) names M53.-, which includes this code

Excludes2 1

These codes carry an Excludes2 note naming M53.2X5: its condition is not part of those codes, and both may be reported when the patient has both.

  • M25.3 Other instability of joint
    spinal instabilities (M53.2-) names M53.2-, which includes 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

Spine Injuries and Disorders

Your backbone, or spine, is made up of 26 bone discs called vertebrae. The vertebrae protect your spinal cord and allow you to stand and bend. A number of problems can change the structure of the spine or damage the vertebrae and surrounding tissue. They include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert M53.2X5 to ICD-9-CMHistory

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

ICD-9-CM
718.88 Jt derangment NEC-oth jt
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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About M53.2X5Overview

What is the ICD-10 code for spinal instabilities, thoracolumbar region?

The ICD-10-CM code for spinal instabilities, thoracolumbar region is M53.2X5 (sometimes written as M532X5). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is M53.2X5 (Spinal instabilities) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report spinal instabilities, thoracolumbar region on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does M53.2X5 group to?

When spinal instabilities, thoracolumbar region is the principal diagnosis on an inpatient stay, it groups to MS-DRG 564, 566, 565, with relative weights from 0.7374 to 1.4909 depending on complications. Higher weights mean higher Medicare reimbursement.

Can M53.2X5 be reported with a code from M46.4?

Not as a rule. The Excludes1 note at block M50-M54, which applies to M53.2X5, lists "discitis NOS (M46.4-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of M53.2X5?

Under the General Equivalence Mappings, spinal instabilities, thoracolumbar region converts to ICD-9-CM 718.88 (jt derangment NEC-oth jt). The mapping is approximate, so confirm the match fits the documentation.