Instruction Source:
T17.900AUnsp fb in resp tract, part unsp causing asphyx, init
T17.900AUnsp fb in resp tract, part unsp causing asphyx, init
T17.900Unspecified foreign body in respiratory tract, part unspecified causing asphyxiation
T17.90Unspecified foreign body 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