Maddrey Discriminant Function (MDF)

Test Name Maddrey Discriminant Function
Alternate Name(s) MDF
Laboratory Module LAB
Ordering Mnemonic MDF
Specimen Type

see INR and Total Bilirubin

Collection Container  
Container Information
Calculation based on INR, Total Bilirubin and Control PT value (seconds) entered by the laboratory technologist.  Previous INR and Total Bilirubin results can not be used.  A new sample must be collected. 
Collection Information  
Test Schedule  
Routine Turnaround Time  
Stat Turnaround Time 1.0 hours
Reference Interval The Maddrey Discriminant Function assesses disease severity and predicts mortality in alcoholic hepatitis.  Patients with a MDF greater than or equal to 32 have high short term mortality and may benefit from treatment with corticosteroids.
Critical Values  
Lab Process Notes The INR and Total Bilirubin results are to be resulted first and then the Control PT value (seconds) entered.  The Control PT value (seconds) triggers the calculation.
Storage and Transport  
Test Referred To Onsite, BGH Laboratory

Support the BCHS Foundation

The BCHS Foundation is committed to raising critical funds to support the top priority needs of the Brantford General Hospital and the Willett Urgent Care Centre.