S00.431A
✓ Billable
Contusion of right ear, initial encounter
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S00.431A
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code S00.431A?
ICD-10-CM code S00.431A represents Contusion of right ear, initial encounter. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S00.431A billable?
Yes. S00.431A is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is S00.431A in?
S00.431A belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S00 category
S00
Superficial injury of head
Non-billable
S00.0
Superficial injury of scalp
Non-billable
S00.1
Contusion of eyelid and periocular area
Non-billable
S00.2
Other and unspecified superficial injuries of eyelid and periocular area
Non-billable
S00.3
Superficial injury of nose
Non-billable
S00.4
Superficial injury of ear
Non-billable
S00.5
Superficial injury of lip and oral cavity
Non-billable
S00.8
Superficial injury of other parts of head
Non-billable
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