| T1799 | Other foreign object in respiratory tract, part unspecified |
| T17990 | Other foreign object in respiratory tract, part unspecified in causing asphyxiation |
| T17990A | Other foreign object in respiratory tract, part unspecified in causing asphyxiation, initial encounter |
| T17990D | Other foreign object in respiratory tract, part unspecified in causing asphyxiation, subsequent encounter |
| T17990S | Other foreign object in respiratory tract, part unspecified in causing asphyxiation, sequela |
| T17998 | Oth foreign object in resp tract, part unsp cause oth injury Other foreign object in respiratory tract, part unspecified causing other injury |
| T17998A | Oth forn object in resp tract, part unsp cause oth inj, init Other foreign object in respiratory tract, part unspecified causing other injury, initial encounter |
| T17998D | Oth forn object in resp tract, part unsp cause oth inj, subs Other foreign object in respiratory tract, part unspecified causing other injury, subsequent encounter |
| T17998S | Oth forn object in resp tract, part unsp cause oth inj, sqla Other foreign object in respiratory tract, part unspecified causing other injury, sequela |
| T18 | Foreign body in alimentary tract |
| T180 | Foreign body in mouth |
| T180XXA | Foreign body in mouth, initial encounter |
| T180XXD | Foreign body in mouth, subsequent encounter |
| T180XXS | Foreign body in mouth, sequela |
| T181 | Foreign body in esophagus |
| T1810 | Unspecified foreign body in esophagus |
| T18100 | Unspecified foreign body in esophagus causing compression of trachea |
| T18100A | Unspecified foreign body in esophagus causing compression of trachea, initial encounter |
| T18100D | Unspecified foreign body in esophagus causing compression of trachea, subsequent encounter |
| T18100S | Unsp fb in esophagus causing compression of trachea, sequela Unspecified foreign body in esophagus causing compression of trachea, sequela |
| T18108 | Unspecified foreign body in esophagus causing other injury |
| T18108A | Unspecified foreign body in esophagus causing other injury, initial encounter |
| T18108D | Unspecified foreign body in esophagus causing other injury, subsequent encounter |
| T18108S | Unsp foreign body in esophagus causing other injury, sequela Unspecified foreign body in esophagus causing other injury, sequela |
| T1811 | Gastric contents in esophagus |
| T18110 | Gastric contents in esophagus causing compression of trachea Gastric contents in esophagus causing compression of trachea |
| T18110A | Gastric contents in esophagus causing compression of trachea, initial encounter |
| T18110D | Gastric contents in esophagus causing compression of trachea, subsequent encounter |
| T18110S | Gastric contents in esophagus causing compression of trachea, sequela |
| T18118 | Gastric contents in esophagus causing other injury |
| T18118A | Gastric contents in esophagus causing other injury, initial encounter |
| T18118D | Gastric contents in esophagus causing other injury, subsequent encounter |
| T18118S | Gastric contents in esophagus causing other injury, sequela |
| T1812 | Food in esophagus |
| T18120 | Food in esophagus causing compression of trachea |
| T18120A | Food in esophagus causing compression of trachea, initial encounter |
| T18120D | Food in esophagus causing compression of trachea, subsequent encounter |
| T18120S | Food in esophagus causing compression of trachea, sequela |
| T18128 | Food in esophagus causing other injury |
| T18128A | Food in esophagus causing other injury, initial encounter |
| T18128D | Food in esophagus causing other injury, subsequent encounter Food in esophagus causing other injury, subsequent encounter |
| T18128S | Food in esophagus causing other injury, sequela |
| T1819 | Other foreign object in esophagus |
| T18190 | Other foreign object in esophagus causing compression of trachea |
| T18190A | Oth foreign object in esoph causing comprsn of trachea, init Other foreign object in esophagus causing compression of trachea, initial encounter |
| T18190D | Oth foreign object in esoph causing comprsn of trachea, subs Other foreign object in esophagus causing compression of trachea, subsequent encounter |
| T18190S | Other foreign object in esophagus causing compression of trachea, sequela |
| T18198 | Other foreign object in esophagus causing other injury |
| T18198A | Other foreign object in esophagus causing other injury, initial encounter |
| T18198D | Other foreign object in esophagus causing other injury, subsequent encounter |