Sign in →

Test Code CIT PLT Citrate Platelet Count

Important Note

Medical Director approval required prior to ordering.

Clinical System Name

Citrate Platelet Count

Synonyms

CIT PLT

Citrate PLT

Citrate-Adjusted

Platelet Count

Platelet Count for Pseudo-thrombocytopenia

Sample Requirements

Specimen: Whole Blood

Container(s):  Lt. Blue/citrate

Preferred Vol: 1x 1.8 mL light blue top tube

Minimum Vol: 1x 1.8 mL light blue top tube

 

 

Processing Instructions

Reject due to:  Insufficient Quantity, Wrong Sample Collection, Clotted Sample, Age of specimen

Spin: N

Aliquot: N

Temp: RT

Storage location: Core 5 Fridge

 

Off-site collection: Store whole blood at room temperature and transport to Children's Lab immediately. Samples > 24 hours old may be rejected.

Stability

Specimen Type Temperature Time
 Whole blood RT

≤ 24 h
 Whole blood 2-8 C

≤ 48 h
  -20 C or -70 C

N

Availability

STAT Performed TAT
Y 24/7 1 h

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Hematology

Phone Number: 206-987-2617 (Client Services)

Methodology

Method:  Sysmex XN-3100, XN-1000, & XN-350: RF/DC detection method, Flow cytometry with semiconductive laser, photometrically, SLS-hemoglobin method, hydrodynamic focusing

Analytical Volume:  0.25 mL whole blood

Description

For known suspected EDTA Pseudo-thrombocytopenia