M25.9 – Joint disorder, unspecified

ICD-10-CM 2027 diagnosis code · Other joint disorders

Billable code

ICD-10-CM code M25.9

Code: M25.9 (claims format: M259)
Description: Joint disorder, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M20-M25 Other joint disorders
Parent codes: M25

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M25 – Other joint disorder, not elsewhere classified

Excludes2 (not included here):

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-)

Block M20-M25

Excludes2 (not included here):

joints of the spine (M40-M54)

Index terms for M25.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in M25

M25.0 – HemarthrosisHeader
M25.1 – Fistula of jointHeader
M25.2 – Flail jointHeader
M25.3 – Other instability of jointHeader
M25.4 – Effusion of jointHeader
M25.5 – Pain in jointHeader
M25.6 – Stiffness of joint, not elsewhere classifiedHeader
M25.7 – OsteophyteHeader
M25.8 – Other specified joint disordersHeader

Frequently asked questions

What is ICD-10 code M25.9?

M25.9 is the ICD-10-CM code for joint disorder, unspecified, in the block M20-M25 (Other joint disorders).

Is M25.9 a billable code?

Yes. M25.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M25.9 belong to?

It belongs to category M25 – Other joint disorder, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.