U.S. ICD-10-CM reference · FY2026 · April
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S55Category · further specificity requiredArchived

Injury of blood vessels at forearm level

HierarchyS50-S59 · S55

Code-level instructions

Excludes 2
  • 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.-)

Seventh character

The appropriate 7th character is to be added to each code from category S55

A — initial encounter

D — subsequent encounter

S — sequela

Inherited instructions

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

Excludes 2
Use additional code

code to identify any retained foreign body, if applicable (Z18.-)

Note
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

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

Excludes 2
  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of wrist and hand (S60-S69)
  • insect bite or sting, venomous (T63.4)

More specific codes

S55.0Injury of ulnar artery at forearm levelCategory · further specificity requiredS55.1Injury of radial artery at forearm levelCategory · further specificity requiredS55.2Injury of vein at forearm levelCategory · further specificity requiredS55.8Injury of other blood vessels at forearm levelCategory · further specificity requiredS55.9Injury of unspecified blood vessel at forearm levelCategory · further specificity required
Code edition