R Factor

R Factor
ALT :
Upper Limit of Normal ALT :
Alkaline Phosphatase :
Upper Limit of Normal Alk Phos :
The R factor is used to assess the laboratories to assess if the liver injury seen is due to cholestatic or hepatocellular process. Formula : ( ALT * Upper Limit of Normal Alk Phos ) / ( Alk Phos x Upper Limit of Normal ALT ) Explanation of Result : More information on DILI (Drug Induced Liver Injury) can be found at livertox.nih.gov. >=5 is consistent with hepatocellular damage. * Please verify all calculations prior to clinical use.