White Blood Cell Count : ARUP Lab Tests

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White Blood Cell Count : 0040320

Mnemonic: WBC

Methodology:	Automated Cell Count
Performed:	Sun-Sat
Reported:	Within 24 hours
Specimen Required:	Collect: One 5 mL lavender (EDTA) or pink (K₂ EDTA). Transport: 5 mL whole blood at 2-8°C. (Min: 0.5 mL of thoroughly mixed whole blood) Pediatric Collection/Transport: 0.5 mL of thoroughly mixed whole blood at 2-8°C. (Min: 0.25 mL) Unacceptable Conditions: Frozen or clotted samples. Stability: Ambient: 1 day; Refrigerated: 3 days; Frozen: Unacceptable

Reference Interval:

Age	1-3 days	4-7 days	8-14 days	15-30 days	31-60 days	61-180 days	0.5-2 years	3-6 years	7-12 years	13+ years
Male (K/µL)	6.8-13.3	8.3-14.1	8.2-14.4	7.4-14.6	6.7-14.2	6.9-15.7	6.2-14.5	5.3-11.5	4.5-10.5	3.2-10.6
Female (K/µL)	8.0-14.3	8.8-14.8	8.4-15.4	8.3-14.7	7.0-15.1	6.8-16.0	6.4-15.0	5.3-11.5	4.7-10.3	3.2-10.6

CPT Code(s):

85048

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