S00.54

Non-billable

External constriction of lip and oral cavity

S00.54 is the ICD-10-CM code for External constriction of lip and oral cavity. It is a non-billable category code — use a more specific child code such as S00.541 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S00.5
Subcodes
2
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

What this means — in plain language

MedlinePlus · NIH

A bruise is a mark on your skin caused by blood trapped under the surface. It happens when an injury crushes small blood vessels but does not break the skin. Those vessels break open and leak blood under the skin. Bruises are often painful and swollen. You can get skin, muscle and bone bruises. Bone bruises are the most serious. It can take months for a bruise to fade, but most last about two weeks. They start off a…

Read more about Bruises at MedlinePlus ↗

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code S00.54?
S00.54 is the ICD-10-CM code for "External constriction of lip and oral cavity". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S00.54 a billable code?
No — S00.54 is a non-billable header code. Use a more specific child code (such as S00.541) for billing.
What are the subcodes of S00.54?
S00.54 has 2 more specific child codes, including S00.541, S00.542.

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

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