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Epic Test Code LAB299 WBC Count, Blood: Automated

Performing Location(s)

BMC,CRH,LFH,HRK,OCH,FTT,FOX,FCC

Synonyms

White blood cell count

Specimen Type

Whole Blood

Preferred Container

Lavender Top

Alternate Container

Filled Purple top microtainer

Blood Tube Draw Volume

Min 50% draw volume  

Minumum Volume to Submit for Testing

3.0 mL whole blood

  • Multiple test can be performed from this volume. For question please contact the lab at 547-3975.  

Transportation Needs

Deliver to the laboratory within 12 hours at room temperature

Storage Requirements

Refrigerate up to 24 hours

Causes for Rejection

Mislabeled or unlabeled specimen
Less than 50% draw for Vacutainer tubes
Clotted

Reference Values

Population Reference Range High Critical Value Low Critical Value
Newborn - 1 month 9.0 - 30 x 10³ /uL > 30 x 10³ /uL < 2.0 x 10³ /uL
1 month - 5 month 5.0 - 19.5 x 10³ /uL > 25 x 10³ /uL < 1.0 x 10³ /uL
5 month - 2 years 6.0 - 17.5 x 10³ /uL
2 years - 6 years 5.0 - 15.5 x 10³ /uL
6 years - 12 years 4.5 - 13.5 x 10³ /uL
Greater than 12 years 3.7 - 10.6 x 10³ /uL

 

Days of Analysis

All

Available STAT

Yes

Additional Information

DO NOT FREEZE

Methodology

Automated enumeration

CPT Code

85048

Last Updated

17-Jan-19