Convert ICD-10 Code R89.3 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
R89.3 Abn lev substnc nonmed source in specmn from oth org/tiss		792.9 Abn find-body subst NEC
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
R89.3 Abn lev substnc nonmed source in specmn from oth org/tiss		796.0 Abn toxicologic finding
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code R89.3 - abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues based on the most recent General Equivalence Mappings (GEMS) information.