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Test Code HCT Body Fluid Body Fluid Hematocrit

Important Note

Specify site of collection on container and requisition.

Clinical System Name

Body Fluid Hematocrit

Sample Requirements

Specimen: Body Fluid

Container(s): Sterile Screw-Capped Container/Tube or Syringe, Lavender/EDTA Tube * See note 

Preferred Vol:  1.0-2.0 mL

Minimum Vol:  0.50 mL


Notes: For synovial or bloody fluids, collect in Lavender/EDTA to prevent clotting.

            Send to Lab immediately.

Processing Instructions

Reject due to:  Insufficient Quantity, Wrong Sample Collection, Clotted Sample, Frozen.

Spin: N

Aliquot: N

Temp: RT

Storage location:  Deliver to Core Lab Hematology bench.


Off-site collection: None specified



Specimen Type Temperature Time
Body Fluid RT

24 hrs

Body Fluid 2-8oC

 48 hrs

 Body Fluid -20oC or -70oC




STAT Performed TAT
Y 24/7 1 H


Performing Laboratory

Seattle Children's Laboratory    


Department:  Core Hematology

Phone Number: 206-987-2617




Method:  Manual Microhematocrit on Damon/IEC Micro-Capillary Reader

Analytical Volume:  0.5 mL


CPT Codes