S03.4

Non-billable

Sprain of jaw

S03.4 is the ICD-10-CM code for Sprain of jaw. It is a non-billable category code — use a more specific child code such as S03.40 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S03
Subcodes
4
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

Your jaw is a set of bones that holds your teeth. It includes: The maxilla, which is the upper part of your jaw. It holds your top teeth in place and doesn't move. It also supports the muscles involved in chewing and facial expressions. The mandible, which is the lower part of your jaw. You move it when you talk or chew. It also holds your lower teeth in place. The temporomandibular joints (TMJs), which are two…

Read more about Jaw Injuries and Disorders at MedlinePlus ↗

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

Includes

  • Sprain of temporomandibular (joint) (ligament)

Frequently asked questions

What is ICD-10 code S03.4?
S03.4 is the ICD-10-CM code for "Sprain of jaw". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S03.4 a billable code?
No — S03.4 is a non-billable header code. Use a more specific child code (such as S03.40) for billing.
What are the subcodes of S03.4?
S03.4 has 4 more specific child codes, including S03.40, S03.41, S03.42.

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

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