ARUP's Laboratory Test Directory

Red Blood Cell Count : 0040270

Mnemonic: RBC

Methodology: Automated Cell Count
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Lavender (EDTA) or pink (K2EDTA).

Specimen Preparation: Mix well immediately after draw. Transport 3 mL whole blood. (Min: 0.25 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Frozen specimens. Clotted or hemolyzed specimens.

Stability (collection to initiation of testing): Ambient: 24 hours; Refrigerated: 72 hours; Frozen: Unacceptable
Reference Interval:
 
Age 1-3 days 4-7 days 8-14 days 15-30 days 31-60 days 61-180 days 6 - 23 months 2-5 years 6-11 years 12 years and older
Male (M/µL) 4.20-5.50 3.90-5.40 3.40-5.10 3.10-4.60 2.90-3.90 3.50-4.70 4.10-5.00 4.00-4.90 4.00-4.90 4.69-6.07
Female (M/µL) 3.40-5.40 3.50-5.50 3.20-5.00 3.10-4.60 2.90-4.10 3.40-4.60 4.10-4.90 4.00-4.90 4.00-4.90 3.88-5.46

CPT Code(s): 85041
Cross References: RBC Count (Red Blood Cell Count)