S54.00 Injury of ulnar nerve at forearm level, unspecified armNon-billable ICD-10-CM code.
S44.0 Injury of ulnar nerve at upper arm level ("ulnar nerve NOS (S54.0)")S54 Injury of nerves at forearm levelS54.0 Injury of ulnar nerve at forearm levelS54.00 Injury of ulnar nerve at forearm level, unspecified arm (this code)S54.00XA Injury of ulnar nerve at forearm level, unspecified arm, initial encounterS54.00XD Injury of ulnar nerve at forearm level, unspecified arm, subsequent encounterS54.00XS Injury of ulnar nerve at forearm level, unspecified arm, sequelaS54.01 Injury of ulnar nerve at forearm level, right armS54.01XA Injury of ulnar nerve at forearm level, right arm, initial encounter