S55.0Injury of ulnar artery at forearm level

S55.0 is the ICD-10-CM diagnosis code for injury of ulnar artery at forearm level. It belongs to category S55 (injury of blood vessels at forearm level), block S50-S59 (injuries to the elbow and forearm) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within S55 (injury of blood vessels at forearm level), S55.0 is specifically for injury of ulnar artery at forearm level. Related codes cover radial artery at forearm level (S55.1), vein at forearm level (S55.2), other blood vessels at forearm level (S55.8) and unspecified blood vessel at forearm level (S55.9).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.