Test directory: Red Blood Cell Count

Ordering Code 54
Test Name Red Blood Cell Count
Alias RBC
RBC Count
Total RBC
Preferred Specimen Whole Blood
Preferred Container EDTA, K2 (Lavender)
Other Specimen/Container Whole Blood in EDTA, K2 Microtainer (Lavender)
Optimum Volume 3 mL
Microtainer = 500 uL
Collection Instructions Do NOT collect in 7 mL EDTA tube
Mix well
EDTA tubes must be filled with at least 50% of the draw volume.
Handling Instructions Refrigerate specimen if transport time > 24 hours
Hand mix ONLY. Do NOT mix on mechanical rocker/mixer.
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 24 Hours
Refrigerated: 48 Hours
Rejection Criteria Frozen, Clotted, Contaminated, Hemolyzed, Over filled tube,
Under filled tube, Specimen older than stability limits.
Avail. Stat NO
Analytic Time 1 Day
Methodology Automated cell counter

Reference range(s)

Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Red Blood Cell Count 0-1W 4.90-6.00 4.90-6.00 x10(6)/uL
Red Blood Cell Count 1W-23D 3.72-6.12 3.72-6.12 x10(6)/uL
Red Blood Cell Count 23D-37D 3.15-5.55 3.15-5.55 x10(6)/uL
Red Blood Cell Count 37D-50D 3.10-5.10 3.10-5.10 x10(6)/uL
Red Blood Cell Count 50D-3M 2.75-4.75 2.75-4.75 x10(6)/uL
Red Blood Cell Count 3M-4M 3.08-4.68 3.08-4.68 x10(6)/uL
Red Blood Cell Count 4M-7M 3.21-5.21 3.21-5.21 x10(6)/uL
Red Blood Cell Count 7M-10M 3.55-5.15 3.55-5.15 x10(6)/uL
Red Blood Cell Count 10M-1Y 3.64-5.24 3.64-5.24 x10(6)/uL
Red Blood Cell Count 1Y-3Y 3.65-5.25 3.65-5.25 x10(6)/uL
Red Blood Cell Count 3Y-5Y 3.65-5.65 3.65-5.65 x10(6)/uL
Red Blood Cell Count 5Y-10Y 3.80-5.80 3.80-5.80 x10(6)/uL
Red Blood Cell Count ADULT 4.00-6.20 3.60-5.40 x10(6)/uL