S55

Non-billable

Injury of blood vessels at forearm level

S55 is the ICD-10-CM code for Injury of blood vessels at forearm level. It is a non-billable category code — use a more specific child code such as S55.0 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Subcodes
5
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

Of the 206 bones in your body, three of them are in your arm: the humerus, radius, and ulna. Your arms are also made up of muscles, joints, tendons, and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall, or an accident. Types of arm injuries include : Tendinitis and bursitis Sprains Dislocations Fractures (broken bones) Nerve problems Osteoarthritis You may also have…

Read more about Arm Injuries and Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes2 — not included here

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

Notes

  • any associated open wound (S51.-)

Frequently asked questions

What is ICD-10 code S55?
S55 is the ICD-10-CM code for "Injury of blood vessels at forearm level". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S55 a billable code?
No — S55 is a non-billable header code. Use a more specific child code (such as S55.0) for billing.
What are the subcodes of S55?
S55 has 5 more specific child codes, including S55.0, S55.1, S55.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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