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Vanderbilt Pathology Laboratory Services

Test Directory



RETICULOCYTE COUNT (RET)

Department: Hematology
Test Synonym(s): RET
Test Components: Retic count and absolute Retic
CPT Codes: 85045
Methodology: Sysmex
Reference Range: 0.5 - 1.8 %, Absolute: Peds:0-30day (0.063-0.271); 30days-2yrs (0.018-0.108); Peds 2-17yrs (0.018-0.072); Adult:(0.02-0.10) MIL/uL.
Tube Type: Lavender top (EDTA)
Specimen: Whole blood
Pediatric Requirements: Lavender top (EDTA) - 2 mL draw (to fill line only) or EDTA microtainer
Volume: 2 mL
Minimum Volume: 250 uL
Temperature: Room temperature or refrigerated
Stability: 4 hours
Reasons for Rejection: QNS, clotted, specimen age
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour
Special Instructions: Deliver to the lab within 4 hours

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