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Test Code Donath-Landstnr Donath-Landsteiner Test

Clinical System Name

Donath-Landsteiner Test

Sample Requirements

Specimen: Whole Blood

Container(s): Red, separator gel tube is not acceptable

Preferred Vol: 10 mL

Minimum Vol: 6 mL


Note: Please call Immunohematology Lab (689-6534) before drawing this sample.  Provider places an order in CIS. Complete a BWNW Request for Testing requisition. SAMPLE MUST BE KEPT AT BODY TEMPERATURE AT ALL TIMES! After collection, immediately place tube in an activated disposable infant heel warmer. Transport to the Lab IMMEDIATELY. 


Processing Instructions

Reject due to: Allowing whole blood temperature to fall below 37 C during clotting.

Spin: Y

Aliquot: Y

Temp: RT

Storage location: PROCESS SAMPLE IMMEDIATELY. Sample must be kept at 37°C at all times! Allow blood to clot in the 37°C incubator in CPA, then spin blood. Once sample is separated from clot, deliver aliquot to Blood Bank with the BWNW requisition; place copy of requisition in the bottom slot of the Send Outs tower labeled "Reqs for sample sent - to be filed in Send Outs".


Off-site collection:


STAT Performed TAT
N Daily 1 - 3 d


Performing Laboratory

Bloodworks Northwest



Bloodworks Northwest

Immunohematology Reference Laboratory

921 Terry Avenue

Seattle WA 98104


Phone Number:  (206) 689-6534


Reference Range



Method: None specified

Analytical Volume: None specified


CPT Codes


Send Out Instructions


Reference Test Name: Donath-Landsteiner Test for PCH
Reference Test Number: 3139-00
Instructions: Send sample & requisition to blood bank.