ICD-9-CM diagnosis code (retired)
985.4 — Toxic effect of antimony and its compounds
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 985.4
985.4 is an ICD-9-CM diagnosis code for toxic effect of antimony and its compounds. 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, T56.891A (Toxic effect of other metals, accidental (unintentional), initial encounter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- T56.891AToxic effect of other metals, accidental (unintentional), initial encounterapproximate
Common questions about 985.4
What is the ICD-10 code for ICD-9 985.4?
- The GEMs map 985.4 to ICD-10-CM T56.891A.
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.