Injury of blood vessels at forearm level

**Excludes2:** - 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.-)

**7th character note:** - The appropriate 7th character is to be added to each code from category S55

**7th character:** - A: initial encounter - D: subsequent encounter - S: sequela