Donath-Landsteiner Test
Label Mnemonic: DL
Epic Lab Code: LAB4362
Downtime Form: A-1a Blood Center Request
DeGowin Blood Center - Blood Bank
C271 GH
356-2561
Specimen(s):
Serum
Specimen Instructions:
Place the tube(s) into a ziplock bag prior to placing in the provided insultated sample store container.
Collection Medium:
& or
Clear top tube Clear top tube Yellow top round bottom tube (no additive)
Minimum:
TWO 6 mL Cear top (no additive) tubes -OR- ONE 10 mL Yellow top round bottom (no additive) tube. Dedicated tubes required.
Rejection Criteria:
Specimen must be labeled with patient's first and last name and medical record number. Specimens will be rejected if information is not on the label when received. Serum separator tubes (SST) or Red top (Clot Activator) tubes will be rejected.
Delivery Instructions:
Deliver to laboratory immediately after collection.
Testing Schedule:
0700-1400 Monday through Friday. For additional services, contact Clinical Pathology Resident on-call at pager #3404.
Turn Around Time:
Specimens analyzed on day received
Reference Range:
Positive result is diagnostic for paroxysmal cold hemoglobinuria.
Comments:
Contact the Blood Bank to obtain an insulated sample storage container.
Methodology:
Biphasic test for hemolysis
CPT Code:
86941