WBC Count and Differential

Abbrev Code:BWBCD   
Order Code:LAB3897Order Name:WBC and Differential Panel
Synonyms:Diff; WBC; BWBCD
CPT Codes: 85048 x1, 85004 x1
Test Includes:WBC, relative frequency (%) and absolute value of the whole blood cells. Test may include manual leukocyte differential, RBC morphology and/or PLT evaluation if reflex criteria is met.
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Optimal Volume:2-3 mL EDTA tube or 0.5 mL in an EDTA microtainer (do not fill more than 0.5 mL)
Minimum\Peds Volume:1.0 mL EDTA tube or 0.3 mL in an EDTA microtainer
Container:Purple (EDTA)
Collection Instructions:Immediately mix specimen 10 times by gentle inversion.
Causes for Rejection:Clotted, frozen, or centrifuged specimens.
Additionally, certain parameter(s) may also be rejected due to platelet clumping, fibrin strands, cold agglutinins, hemolysis, icterus, and/or lipemia.

Processing and Shipping

Specimen Processing:Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature. 
Stability:24 hours room temperature; 48 hours refrigerated; do not freeze. 
If more than 24 hours is required for transport, 2 unstained whole blood smears must accompany whole blood EDTA specimen.
Test Performed at or Referral Lab Hematology  (Clinics, CSC Maple Grove, CSC Mpls, Grand Itasca, Lakes, Northland, Range, Ridges, Southdale, St. John's, UMMC East Bank, UMMC West Bank, Woodwinds)


Critical Range:Hematology Critical Values and Reference Ranges
Reference Range:Hematology Critical Values and Reference Ranges

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