Reticulocyte Count

Abbrev Code:RET   
Order Code:LAB296Order Name:Reticulocyte Count
CPT Codes: 85045 x1
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 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  (CSC Maple Grove, CSC Mpls, Grand Itasca, Lakes, Northland, Range, Ridges, Southdale, St. John's, UMMC East Bank, UMMC/UMMCH-West Bank, Woodwinds)


Reference Range:Hematology Critical Values and Reference Ranges
Use:Evaluation of erythrocyte production. Increased in acute and chronic hemorrhage, hemolytic anemias. Evaluating erythropoietic response to antianemic therapy.

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