S64.3 Injury of digital nerve of thumbNon-billable header with 3 child codes.
S64.30 Injury of digital nerve of unspecified thumbS64.31 Injury of digital nerve of right thumbS64.32 Injury of digital nerve of left thumbS54 Injury of nerves at forearm level ("injury of nerves at wrist and hand level (S64.-)")S64.21XS Injury of radial nerve at wrist and hand level of right arm, sequelaS64.22 Injury of radial nerve at wrist and hand level of left armS64.22XA Injury of radial nerve at wrist and hand level of left arm, initial encounterS64.22XD Injury of radial nerve at wrist and hand level of left arm, subsequent encounterS64.22XS Injury of radial nerve at wrist and hand level of left arm, sequelaS64.3 Injury of digital nerve of thumb (this code)S64.30 Injury of digital nerve of unspecified thumbS64.30XA Injury of digital nerve of unspecified thumb, initial encounterS64.30XD Injury of digital nerve of unspecified thumb, subsequent encounterS64.30XS Injury of digital nerve of unspecified thumb, sequelaS64.31 Injury of digital nerve of right thumb