Test Overview
Hemolysis
To rule out the diagnosis of paroxysmal cold hemoglobinuria (PCH) in cases of hemoglobinuria, cold exacerbated hemolysis, unusual presentation of apparent warm or cold AIHA. A positive test is considered diagnostic for PCH.
Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
3 - 8 days
- Biphasic Hemolysin
- PCH Screen
- DL INT
- PCH Screen
- Biphasic Hemolysin
- DONATH-LANDSTEINER INTERPRET.
- DONATH-LANDSTEINER TEST
- DL INT
- DONATH-LANDSTEINER INTERPRET.
- DONATH-LANDSTEINER
- DONATH-LANDSTEINER INTERP
Specimen Requirements
Collect specimen in a red top tube. Maintain at 37 +/- 2 degrees C from the time it is collected until serum is separated from the cells. Within one minute of collection, place specimen into a 37+/- 2 degrees C incubator or waterbath. Leave specimen at 37 degrees C until clot retracts; after the clot retracts, remove serum from clot, centrifuge at room temperature, aliquot 5 mL cell free serum into a plastic tube and refrigerate. Please note on requisition or as a footnote in the computer that the specimen was processed at 37 degrees C.
Place specimen in 37°C warm sand or waterbath immediately. See Collection Instructions below.