ICD-9-CM diagnosis code (retired)
985.9 — Toxic effect of unspecified metal
About ICD-9-CM 985.9
985.9 is an ICD-9-CM diagnosis code for toxic effect of unspecified metal. 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 T56.91XA (Toxic effect of unspecified metal, accidental (unintentional), initial encounter), T56.92XA (Toxic effect of unspecified metal, intentional self-harm, initial encounter) and T56.93XA (Toxic effect of unspecified metal, assault, initial encounter). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- T56.91XAToxic effect of unspecified metal, accidental (unintentional), initial encounterapproximate
- T56.92XAToxic effect of unspecified metal, intentional self-harm, initial encounterapproximate
- T56.93XAToxic effect of unspecified metal, assault, initial encounterapproximate
- T56.94XAToxic effect of unspecified metal, undetermined, initial encounterapproximate
Common questions about 985.9
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.