ICD-9-CM diagnosis code (retired)
988.9 — Toxic effect of unspecified noxious substance eaten as food
About ICD-9-CM 988.9
988.9 is an ICD-9-CM diagnosis code for toxic effect of unspecified noxious substance eaten as food. 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 4 ICD-10-CM codes, such as T62.91XA (Toxic effect of unspecified noxious substance eaten as food, accidental (unintentional), initial encounter), T62.92XA (Toxic effect of unspecified noxious substance eaten as food, intentional self-harm, initial encounter) and T62.93XA (Toxic effect of unspecified noxious substance eaten as food, assault, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- T62.91XAToxic effect of unspecified noxious substance eaten as food, accidental (unintentional), initial encounterapproximate
- T62.92XAToxic effect of unspecified noxious substance eaten as food, intentional self-harm, initial encounterapproximate
- T62.93XAToxic effect of unspecified noxious substance eaten as food, assault, initial encounterapproximate
- T62.94XAToxic effect of unspecified noxious substance eaten as food, undetermined, initial encounterapproximate
Common questions about 988.9
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.