S03.42XA
✓ BillableSprain of jaw, left side, initial encounter
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • Strain of muscle or tendon of head (S09.1)
Clinical Description
ICD-10-CM code S03.42XA represents sprain of jaw, left side, initial encounter. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code S03.42XA?
ICD-10-CM code S03.42XA is "Sprain of jaw, left side, initial encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is S03.42XA a billable ICD-10 code?
Yes, S03.42XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can S03.42XA be coded with other codes?
S03.42XA has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in S03.42
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)