T84.21
Non-billableBreakdown (mechanical) of internal fixation device of other bones
T84.21 is the ICD-10-CM code for Breakdown (mechanical) of internal fixation device of other bones. It is a non-billable category code — use a more specific child code such as T84.210 for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
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.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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