S55.101A

✓ Billable

Unspecified injury of radial artery at forearm level, right arm, initial encounter

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

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⚠️ Excludes2

inherited

Rules inherited from parent codes.

  • injury of blood vessels at wrist and hand level (S65.-)
  • injury of brachial vessels (S45.1-S45.2)

Clinical Description

ICD-10-CM code S55.101A represents unspecified injury of radial artery at forearm level, right arm, 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 S55.101A?

ICD-10-CM code S55.101A is "Unspecified injury of radial artery at forearm level, right arm, initial encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is S55.101A a billable ICD-10 code?

Yes, S55.101A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Can S55.101A be coded with other codes?

S55.101A has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

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Code Information

CodeS55.101A
BillableYes
ParentS55.101
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes22 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)