M84.4
Non-billablePathological fracture, not elsewhere classified
M84.4 is the ICD-10-CM code for Pathological fracture, not elsewhere classified. It is a non-billable category code — use a more specific child code such as M84.40 for billing.
M00-M99 Diseases of the musculoskeletal system and connective tissue
What this means — in plain language
MedlinePlus · NIHWhat is a fracture? A fracture is a break in a bone. Fractures are usually caused by injuries. Since they can sometimes be serious, it's important to get medical care right away if you think you have a fracture. What are the different types of fractures? There are different ways to describe fractures. For example, there are different types of fractures based on: Whether the bone is partially or completely broken.…
Read more about Fractures at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Chronic fracture
- •Pathological fracture NOS
Excludes1 — not coded here
Excludes2 — not included here
- •personal history of (healed) pathological fracture (Z87.311)
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code M84.4?
- M84.4 is the ICD-10-CM code for "Pathological fracture, not elsewhere classified". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
- Is M84.4 a billable code?
- No — M84.4 is a non-billable header code. Use a more specific child code (such as M84.40) for billing.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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