M25

Non-billable

Other joint disorder, not elsewhere classified

M25 is the ICD-10-CM code for Other joint disorder, not elsewhere classified. It is a non-billable category code — use a more specific child code such as M25.0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Subcodes
10
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

What are joints? 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. But joints are more than bones. They include the soft tissues around them, such as cartilage, tendons and ligaments. Cartilage is the hard slippery flexible tissue that covers the ends of your bones at a joint. Tendons are tough, flexible bands…

Read more about Joint Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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-)

Frequently asked questions

What is ICD-10 code M25?
M25 is the ICD-10-CM code for "Other joint disorder, not elsewhere classified". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M25 a billable code?
No — M25 is a non-billable header code. Use a more specific child code (such as M25.0) for billing.
What are the subcodes of M25?
M25 has 10 more specific child codes, including M25.0, M25.1, M25.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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