Instruction Source:
T17.990AOth forn obj in resp tract, part unsp in cause asphyx, init
T17.990AOth forn obj in resp tract, part unsp in cause asphyx, init
T17.990Other foreign object in respiratory tract, part unspecified in causing asphyxiation
T17.99Other foreign object in respiratory tract, part unspecified
T17.9Foreign body in respiratory tract, part unspecified
T17Foreign body in respiratory tract
T15-T19Effects of foreign body entering through natural orifice (T15-T19)
S00-T88Injury, poisoning and certain other consequences of external causes