ICD-9-CM diagnosis code (retired)
972.4 — Poisoning by coronary vasodilators
About ICD-9-CM 972.4
972.4 is an ICD-9-CM diagnosis code for poisoning by coronary vasodilators. 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 T46.3X1A (Poisoning by coronary vasodilators, accidental (unintentional), initial encounter), T46.3X2A (Poisoning by coronary vasodilators, intentional self-harm, initial encounter) and T46.3X3A (Poisoning by coronary vasodilators, assault, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- T46.3X1APoisoning by coronary vasodilators, accidental (unintentional), initial encounterapproximate
- T46.3X2APoisoning by coronary vasodilators, intentional self-harm, initial encounterapproximate
- T46.3X3APoisoning by coronary vasodilators, assault, initial encounterapproximate
- T46.3X4APoisoning by coronary vasodilators, undetermined, initial encounterapproximate
Common questions about 972.4
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.