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 |
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