WBC Count


Sunquest Code:WBC  
Epic Code:LAB299Epic Name:WBC Count
Synonyms:Leukocyte Count; White Blood Cell Count
CPT Code:----------CPTCODES HERE----------
Test Includes:WBC
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2-3 mL EDTA tube or 0.5 mL in an EDTA microtainer (do not fill more than 0.5 mL)
Minimum\Peds Volume:1 mL EDTA tube or 0.3 mL in an EDTA microtainer
Collection Instructions:Immediately mix specimen 10 times by gentle inversion.
Causes for Rejection:Clotted specimen.


Processing and Shipping

Specimen Processing:Do not process. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature. If more than 24 hours is required for transport, 2 unstained whole blood smears must accompany whole blood EDTA specimen.
Test Performed at or Referral Lab Hematology  (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, Fairview Clinics, M Health Clinic and Surgery Center, Grand Itasca GICH)


Interpretive

Critical Range:

Less than 1.0 or greater than 50.0 (x 109/L)

 

Reference Range:

Age

WBC (x 109/L)

0-3 d

9.0-35.0

4-8 d

5.0-21.0

9-30 d

5.0-19.5

1 mo-56 d

6.0-17.5

57 d-11 m

6.0-17.5

1 y

6.0-17.5

2-4 y

5.5-15.5

5-9 y

5.0-14.5

10-17 y

4.0-11.0

18 y and older F

4.0-11.0

18 y and older M

4.0-11.0

 

 

Use:White blood cell enumeration, evaluation of myelopoiesis, bacterial and viral infections, tissue injury.


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