Convert ICD-10 Code T59.2X4A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T59.2X4A Toxic effect of formaldehyde, undetermined, init encntr		987.1 Tox ef hydrocarb gas NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T59.2X4A Toxic effect of formaldehyde, undetermined, init encntr		E982.8 Undet pois-gas/vapor NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code T59.2X4A - toxic effect of formaldehyde, undetermined, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.