Convert ICD-10 Code R83.3 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
R83.3 Abn lev substances chiefly nonmedicinal as to source in CSF		792.0 Abn fnd-cerebrospinal fl
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 R83.3 - abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid based on the most recent General Equivalence Mappings (GEMS) information.