987.7
Toxic effect of hydrocyanic acid gas
The ICD-9 code for toxic effect of hydrocyanic acid gas is 987.7.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 987.7 →