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21150:RETICULOCYTE COUNT
Methodology:Automated Reticulocyte Counter
Edit Date:5/28/2008
Performed:Daily
Released:Same day as tested
CPT Code:85045
Specimen Collection Details
Collection:One 4 mL lavender top tube (EDTA). Fill at least 1/3 full.
Handling:Send ambient or refrigerated to the laboratory within 24 hours.
Standard Volume:4 mL EDTA whole blood.
Minimum Volume:0.5 mL EDTA whole blood in a 1 mL microcollection tube.
Transport:Ambient or refrigerated.
Rejection Criteria:Clotted or frozen specimen; gross hemolysis.


Reticulocyte % = 0.5-2.0
Reticulocyte # = 20-100 K/uL