S55.109 Unspecified injury of radial artery at forearm level, unspecified arm

The ICD-10-CM code for Unspecified injury of radial artery at forearm level, unspecified arm is S55.109 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

S50-S59: Injuries to the elbow and forearm (S50-S59)

Category S55

66 codes (45 billable)

FY2026 Status

Stable since FY2024

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

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

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).

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

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool

Cite This Page

Reference S55.109 with the canonical source and edition:

S55.109 — Unspecified injury of radial artery at forearm level, unspecified arm. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/S55.109

Canonical URL: https://icd10codingpro.com/codes/S55.109