S55 Injury of blood vessels at forearm level

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Injury of blood vessels at forearm level is S55 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
S50-S59: Injuries to the elbow and forearm (S50-S59)
Category S55
66 codes (45 billable)
FY2026 Status
Stable since FY2024
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • injury of blood vessels at wrist and hand level (S65.-)
  • injury of brachial vessels (S45.1-S45.2)
Code Also
  • any associated open wound (S51.-)

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

S55.0 Injury of ulnar artery at forearm level S55.00 Unspecified injury of ulnar artery at forearm level S55.001 Unspecified injury of ulnar artery at forearm level, right arm S55.002 Unspecified injury of ulnar artery at forearm level, left arm S55.009 Unspecified injury of ulnar artery at forearm level, unspecified arm S55.01 Laceration of ulnar artery at forearm level S55.011 Laceration of ulnar artery at forearm level, right arm S55.012 Laceration of ulnar artery at forearm level, left arm S55.019 Laceration of ulnar artery at forearm level, unspecified arm S55.09 Other specified injury of ulnar artery at forearm level S55.091 Other specified injury of ulnar artery at forearm level, right arm S55.092 Other specified injury of ulnar artery at forearm level, left arm S55.099 Other specified injury of ulnar artery at forearm level, unspecified arm S55.1 Injury of radial artery at forearm level S55.10 Unspecified injury of radial artery at forearm level S55.101 Unspecified injury of radial artery at forearm level, right arm S55.102 Unspecified injury of radial artery at forearm level, left arm S55.109 Unspecified injury of radial artery at forearm level, unspecified arm S55.11 Laceration of radial artery at forearm level S55.111 Laceration of radial artery at forearm level, right arm S55.112 Laceration of radial artery at forearm level, left arm S55.119 Laceration of radial artery at forearm level, unspecified arm S55.19 Other specified injury of radial artery at forearm level S55.191 Other specified injury of radial artery at forearm level, right arm S55.192 Other specified injury of radial artery at forearm level, left arm S55.199 Other specified injury of radial artery at forearm level, unspecified arm S55.2 Injury of vein at forearm level S55.20 Unspecified injury of vein at forearm level S55.201 Unspecified injury of vein at forearm level, right arm S55.202 Unspecified injury of vein at forearm level, left arm

Related Codes in S55

S55.0 Injury of ulnar artery at forearm level S55.00 Unspecified injury of ulnar artery at forearm level S55.001 Unspecified injury of ulnar artery at forearm level, right arm S55.002 Unspecified injury of ulnar artery at forearm level, left arm S55.009 Unspecified injury of ulnar artery at forearm level, unspecified arm S55.01 Laceration of ulnar artery at forearm level S55.011 Laceration of ulnar artery at forearm level, right arm S55.012 Laceration of ulnar artery at forearm level, left arm S55.019 Laceration of ulnar artery at forearm level, unspecified arm S55.09 Other specified injury of ulnar artery at forearm level S55.091 Other specified injury of ulnar artery at forearm level, right arm S55.092 Other specified injury of ulnar artery at forearm level, left arm S55.099 Other specified injury of ulnar artery at forearm level, unspecified arm S55.1 Injury of radial artery at forearm level S55.10 Unspecified injury of radial artery at forearm level S55.101 Unspecified injury of radial artery at forearm level, right arm S55.102 Unspecified injury of radial artery at forearm level, left arm S55.109 Unspecified injury of radial artery at forearm level, unspecified arm S55.11 Laceration of radial artery at forearm level S55.111 Laceration of radial artery at forearm level, right arm
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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