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HelpTest Code WBCD WBC (white blood cell) and Differential
Additional Codes
LAB334
Methodology
Includes WBC and automated differential, manual differential if indicated.
Performing Laboratory
St. Mary's Regional Medical Center-Hematology and Coagulation
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 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 10E3/mm3
Female 0-3 days: 8.0-14.3
Male 4 days-30 days: 8.2-14.4
Female 4 days-30 days: 8.4-15.4
Male 31 days-6 months: 6.9-15.7
Female 31 days-6 months: 6.8-16.0
Male 7 months-2 years: 6.2-14.5
Female 7 months-2 years: 6.4-15.0
Male/Female 3 years-6 years: 5.3-11.5
Male 7 years-12 years: 4.5-10.5
Female 7 years-12 years: 4.7-10.3
13 years-Adult (male/female): 4.5-10.9
MANUAL DIFFERENTIAL
SEG %
Male/Female 0 days - 3 days: 24-50%
Male/Female 4 days - 14 days: 18-36%
Male/Female 15 days - 60 days: 15-35%
Male/Female 61 day - 180 days: 16-52%
Male/Female 0.5 years-2 years: 21-67%
Male/Female 3-6 years: 30-74%
Male/Female 7-12 years: 36-74%
Male 13 years - adult: 34-68%
Female 13 years-adult: 34-71%
LYMPH %
Male/Female 0-3 day: 26-56%
Male/Female 4-30 days: 39-62%
Male/Female 31-60 days: 40-70%
Male/Female: 61 - 180 days: 32-68%
Male/Female 0.5-2 years: 20-64%
Male/Female 3-6 years: 14-55%
Male/Female: 7-12 years: 14-48%
Male/Female 13 years-adult: 14-46%
MONO%
Male/Female 0-30 days: 7-13%
Male/Female 31-60 days: 6-14%
Male/Female 61-180 days: 5-13%
Male/Female 0.5-2 years: 5-11%
Male/Female 3-6 years: 4-9%
Male/Female 7-12 years: 5-9%
Male 13 years-adult: 5-13%
Female 13 years-adult: 5-12%
EOS%
Male/Female 0-30 days: 0-6%
Male/Female 31-60 days: 0-5%
Male/Female 61-180 days: 0-4%
Male/Female 0.5-2 years: 0-3%
Male/Female 3-12 years: 0-4%
Male/Female 13 years - adult: 0-5%
BASO%
Male/Female 0 days - 12 years: 0-2%
Male/Female 13 years-adult: 0-2%
ATYPICAL LYMPHS%
Male/Female 0 days adult: 0-8%
Day(s) Test Set Up
Monday through Sunday
Available STAT