2027 ICD-10-CM Diagnosis Code M25.80Other specified joint disorders, unspecified joint

ICD-10-CM Codes›M00–M99›M20-M25›M25

ICD-10-CM M25.80
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

M25.80 is a billable ICD-10-CM diagnosis code for other specified joint disorders, unspecified joint. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 555 through 556. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified joint disorders.

Code Identity

ICD-10-CM Code
M25.80
Billable Status
Yes — Valid for Submission
Code Describes
Other specified joint disorders, unspecified joint
Short Description
Other specified joint disorders, unspecified joint
Same as the full description in the CMS dataset.
Parent Code
Other specified joint disorders

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM20-M25Other joint disorders
CategoryM25Other joint disorder, not elsewhere classified
This CodeM25.80Other specified joint disorders, unspecified joint

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Active range of cervical spine extension - finding
  • Active range of cervical spine flexion - finding
  • Active range of cervical spine left lateral flexion - finding
  • Active range of cervical spine left rotation - finding
  • Active range of cervical spine protraction - finding
  • Active range of cervical spine retraction - finding
  • Active range of cervical spine right lateral flexion - finding
  • Active range of cervical spine right rotation - finding
  • Active range of joint movement absent
  • Calcification of joint
  • Calcification of ligament
  • Calcified stylohyoid ligament
  • Capsular pattern of joint movement limitation
  • Cavitation of joint
  • Decreased active range of cervical spine extension
  • Decreased active range of cervical spine flexion
  • Decreased active range of cervical spine left rotation
  • Decreased active range of cervical spine left side flexion
  • Decreased active range of cervical spine protraction
  • Decreased active range of cervical spine retraction
  • Decreased active range of cervical spine right lateral flexion
  • Decreased active range of cervical spine right rotation
  • Decreased passive range of cervical spine extension
  • Decreased passive range of cervical spine flexion
  • Decreased passive range of cervical spine left lateral flexion
  • Decreased passive range of cervical spine left rotation
  • Decreased passive range of cervical spine right lateral flexion
  • Decreased passive range of cervical spine right rotation
  • Decreased range of cervical spine extension
  • Decreased range of cervical spine flexion
  • Extension angulation
  • Finding of joint angulation
  • Flexion angulation
  • Hereditary arterial and articular multiple calcification syndrome
  • Heterotopic ossification of joint
  • Intra-articular foreign body
  • Joint capsule rupture
  • Joint catching
  • Joint formation disorder
  • Joint movement absent
  • Lesion of joint capsule of pelvic region
  • Mechanical joint disorder
  • Passive joint movement greater than active joint movement
  • Passive range of cervical spine extension - finding
  • Passive range of cervical spine flexion - finding
  • Passive range of cervical spine left lateral flexion - finding
  • Passive range of cervical spine left rotation - finding
  • Passive range of cervical spine right lateral flexion - finding
  • Passive range of cervical spine right rotation - finding
  • Passive range of joint movement absent
  • Passive range of joint movement reduced
  • Periarticular calcification
  • Range of cervical spine left lateral flexion - finding
  • Range of cervical spine left rotation - finding
  • Range of cervical spine protraction - finding
  • Range of cervical spine retraction - finding
  • Range of cervical spine right lateral flexion - finding
  • Range of cervical spine right rotation - finding
  • Rheumatoid arthritis with erosion of joint
  • Sesamoiditis
  • Weakness of joint movement

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to M25.80: its own notes plus those printed at M25, block M00-M25, block M20-M25, and Chapter 13. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Block M00-M25 applies to 2,249 codes
  • Disorders affecting predominantly peripheral (limb) joints

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 M25 Other joint disorder, not elsewhere classified applies to 225 codes
  • abnormality of gait and mobility (R26.-)
  • acquired deformities of limb (M20-M21)
  • calcification of bursa (M71.4-)
  • calcification of shoulder (joint) (M75.3)
  • calcification of tendon (M65.2-)
  • difficulty in walking (R26.2)
  • temporomandibular joint disorder (M26.6-)
From Block M20-M25 Other joint disorders applies to 719 codes
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.

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 MUS007
Other specified joint disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Joint Disorders

Your joints are places where two or more bones come together. Your shoulders, elbows, hips, knees, and knuckles are all joints. Your spine has joints, too.

The full article covers:

  • What are joints?
  • What are joint disorders?
  • What diseases can affect the joints?
  • What types of joint disorders happen from sudden injuries?
  • What types of joint disorders happen from overuse?
  • How can I keep my joints healthy?

Read the full article at MedlinePlus

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

Convert M25.80 to ICD-9-CMHistory

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

ICD-9-CM
719.80 Joint dis NEC-unspec
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 M25.80Overview

What is the ICD-10 code for other specified joint disorders, unspecified joint?

The ICD-10-CM code for other specified joint disorders, unspecified joint is M25.80 (sometimes written as M2580). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is M25.80 (Other specified joint disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified joint disorders, unspecified joint on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does M25.80 group to?

When other specified joint disorders, unspecified joint is the principal diagnosis on an inpatient stay, it groups to MS-DRG 555, 556, with relative weights from 0.8210 to 1.2908 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M25.80?

Under the General Equivalence Mappings, other specified joint disorders, unspecified joint converts to ICD-9-CM 719.80 (joint dis NEC-unspec). The mapping is approximate, so confirm the match fits the documentation.