ICD-9-CM diagnosis code (retired)
933.1 — Foreign body in larynx
About ICD-9-CM 933.1
933.1 is an ICD-9-CM diagnosis code for foreign body in larynx. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to 8 ICD-10-CM codes, such as T17.300A (Unspecified foreign body in larynx causing asphyxiation, initial encounter), T17.308A (Unspecified foreign body in larynx causing other injury, initial encounter) and T17.310A (Gastric contents in larynx causing asphyxiation, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- T17.300AUnspecified foreign body in larynx causing asphyxiation, initial encounterapproximate
- T17.308AUnspecified foreign body in larynx causing other injury, initial encounterapproximate
- T17.310AGastric contents in larynx causing asphyxiation, initial encounterapproximate
- T17.318AGastric contents in larynx causing other injury, initial encounterapproximate
- T17.320AFood in larynx causing asphyxiation, initial encounterapproximate
- T17.328AFood in larynx causing other injury, initial encounterapproximate
- T17.390AOther foreign object in larynx causing asphyxiation, initial encounterapproximate
- T17.398AOther foreign object in larynx causing other injury, initial encounterapproximate
Common questions about 933.1
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.