S55 Injury of blood vessels at forearm level

⚠ Non-Billable ICD-10-CM 2026
Create your free account → Open S55 in the app →

Get what a quick lookup can't: the AI assistant for official-guideline questions, HCC risk-adjustment mappings (CMS-HCC V24/V28, RxHCC), FDA drug indications, and AHA Coding Clinic references for S55.

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

Cite This Page

Reference S55 with the canonical source and edition:

S55 — Injury of blood vessels at forearm level. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/S55

Canonical URL: https://icd10codingpro.com/codes/S55

Related Codes

More Specific Codes

S55.0 Injury of ulnar artery at forearm level S55.1 Injury of radial artery at forearm level S55.2 Injury of vein at forearm level S55.8 Injury of other blood vessels at forearm level S55.9 Injury of unspecified blood vessel at forearm level

All Codes in S55

Every most-specific code under S55 Injury of blood vessels at forearm level (45 codes):

Show the complete S55 code list
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 S55.011 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 S55.091 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 S55.101 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 S55.111 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 S55.191 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 S55.201 Unspecified injury of vein at forearm level, right arm S55.202 Unspecified injury of vein at forearm level, left arm S55.209 Unspecified injury of vein at forearm level, unspecified arm S55.211 Laceration of vein at forearm level, right arm S55.212 Laceration of vein at forearm level, left arm S55.219 Laceration of vein at forearm level, unspecified arm S55.291 Other specified injury of vein at forearm level, right arm S55.292 Other specified injury of vein at forearm level, left arm S55.299 Other specified injury of vein at forearm level, unspecified arm S55.801 Unspecified injury of other blood vessels at forearm level, right arm S55.802 Unspecified injury of other blood vessels at forearm level, left arm S55.809 Unspecified injury of other blood vessels at forearm level, unspecified arm S55.811 Laceration of other blood vessels at forearm level, right arm S55.812 Laceration of other blood vessels at forearm level, left arm S55.819 Laceration of other blood vessels at forearm level, unspecified arm S55.891 Other specified injury of other blood vessels at forearm level, right arm S55.892 Other specified injury of other blood vessels at forearm level, left arm S55.899 Other specified injury of other blood vessels at forearm level, unspecified arm S55.901 Unspecified injury of unspecified blood vessel at forearm level, right arm S55.902 Unspecified injury of unspecified blood vessel at forearm level, left arm S55.909 Unspecified injury of unspecified blood vessel at forearm level, unspecified arm S55.911 Laceration of unspecified blood vessel at forearm level, right arm S55.912 Laceration of unspecified blood vessel at forearm level, left arm S55.919 Laceration of unspecified blood vessel at forearm level, unspecified arm S55.991 Other specified injury of unspecified blood vessel at forearm level, right arm S55.992 Other specified injury of unspecified blood vessel at forearm level, left arm S55.999 Other specified injury of unspecified blood vessel at forearm level, unspecified arm
Search all 70,000+ ICD-10-CM codes →
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

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial