ICD-9-CM diagnosis code (retired)
974.0 — Poisoning by mercurial diuretics
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 974.0
974.0 is an ICD-9-CM diagnosis code for poisoning by mercurial diuretics. 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 one ICD-10-CM code, T50.2X1A (Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- T50.2X1APoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), initial encounterapproximate
Common questions about 974.0
What is the ICD-10 code for ICD-9 974.0?
- The GEMs map 974.0 to ICD-10-CM T50.2X1A.
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.