Home
HelpTest Code WBCX WBC (white blood cell)
Additional Codes
LAB299
Methodology
Includes WBC
Performing Laboratory
St. Mary's Regional Medical Center-Hematology and Coagulation
CPT: 85408
Specimen Requirements
Specimen must arrive within 24 hours of draw.
Container/Tube: Lavender-top (EDTA) tube or lavender-top (EDTA) MICROTAINER
Specimen: 3 mL of EDTA whole blood in tube, or 250 ul of whole blood in lavender (EDTA) microtainer
Transport Temperature: Ambient
Specimen Stability: 24 hours at room temperature. If refrigerated, specimens with normal results may be analyzed up to 36 hours after collection without significant loss of stability.
Collection Instructions: Tube must be at least half full. Invert several times to mix blood. Forward promptly. Specimen cannot be frozen.
Note: If specimen cannot arrive within 24 hours of draw, send specimen refrigerated.
Reference Values
WBC
Male 0-3 days: 6.8-13.3 0E3/mm3
Female 0-3 days: 8.0 - 14.3 0E3/mm3
Male 4 days-30 days: 8.2-14.4 0E3/mm3
Female 4 days-30 days: 8.4 -15.4 0E3/mm3
Male 31 days-6 months: 6.9 - 15.7 0E3/mm3
Female 31 days-6 months: 6.8 - 16.0 0E3/mm3
Male 7 months-2 years: 6.2 - 14.5 0E3/mm3
Female 7 months-2 years: 6.4-15.0 0E3/mm3
Male/Female 3 years-6 years: 5.3 - 11.5 0E3/mm3
Male 7 years-12 years: 4.5 - 10.5 0E3/mm3
Female 7 years-12 years: 4.7 - 10.3 0E3/mm3
13 years-Adult (male/female): 4.5 - 10.9 0E3/mm3
Day(s) Test Set Up
Monday through Sunday
Available STAT