S01.551

Non-billable

Open bite of lip

S01.551 is the ICD-10-CM code for Open bite of lip. It is a non-billable category code — use a more specific child code such as S01.551A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S01.55
Subcodes
3
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

Wild animals usually avoid people. They might attack, however, if they feel threatened, are sick, or are protecting their young or territory. Attacks by pets are more common. Animal bites rarely are life-threatening, but if they become infected, you can develop serious medical problems. To prevent animal bites and complications from bites: Never pet, handle, or feed unknown animals Leave snakes alone Watch your…

Read more about Animal Bites at MedlinePlus ↗

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

Includes

  • Bite of lip NOS

Excludes1 — not coded here

  • superficial bite of lip (S00.571)

Frequently asked questions

What is ICD-10 code S01.551?
S01.551 is the ICD-10-CM code for "Open bite of lip". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S01.551 a billable code?
No — S01.551 is a non-billable header code. Use a more specific child code (such as S01.551A) for billing.
What are the subcodes of S01.551?
S01.551 has 3 more specific child codes, including S01.551A, S01.551D, S01.551S.
What is excluded from S01.551?
Excludes1 (not coded here): superficial bite of lip (S00.571).

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

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