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Test Code WDIFF White Blood Cell (WBC) Count & Differential

Methodology

Laser Technology

Specimen Requirements

Specimen must arrive within 24 hours of draw.

 

Draw blood in a lavender-top (EDTA) tube(s) or a CAPIJECT® (EDTA) tube(s), and send 5 mL of EDTA whole blood. Forward unprocessed whole blood promptly.

Specimen Stability Information

 

Specimen Type

Temperature

Time

Whole blood, EDTA

RT

24 hrs
 

Refrigerated

48 hrs

 

Reference Values

 

WBC (103/uL)
Age Male Female
>0d 9.0-18.4 9.0-18.4
>5d 7.3-16.6 7.3-16.6
≥1yr 5.6-17.0 5.6-17.0
≥4yr 4.9-12.9 4.9-12.9
≥6yr 4.4-10.6 4.4-10.6
≥8yr 3.9-9.9 3.9-9.9
≥15yr 4.2-12.2 4.2-10.6
≥18yr 4.1-12.2 4.1-12.2
Absolute Neutrophils (103/uL)
Age Male Female
>0d 7.80-14.50 7.80-14.50
>1d 1.75-7.20 1.75-7.20
>5d 1.80-5.40 1.80-5.40
>28d 2.10-8.00 2.10-8.00
≥1yr 1.50-6.90 1.50-6.90
≥4yr 1.50-7.60 1.50-7.60
≥10yr 1.80-7.20 1.80-7.20
≥18yr 1.50-7.90 1.50-7.90
Absolute Lymphocyte (103/uL)
Age Male Female
>0d 2.00-7.20 2.00-7.20
>1d 1.90-6.60 1.90-6.60
>5d 2.85-9.10 2.85-9.10
>28d 4.00-10.50 4.00-10.50
≥1yr 2.50-8.60 2.50-8.60
≥4yr 1.80-8.40 1.80-8.40
≥7yr 1.50-5.00 1.50-5.00
≥13yr 1.50-4.50 1.50-4.50
≥18yr 1.10-3.40 1.10-3.40
Absolute Monocytes (103/uL)
Age Male Female
>0d 0.00-1.90 0.00-1.90
>1d 0.00-1.70 0.00-1.70
>5d 0.10-1.70 0.10-1.70
>28d 0.21-1.60 0.21-1.60
≥1yr 0.15-1.20 0.15-1.20
≥4yr 0.32-1.10 0.32-1.10
≥12yr 0.27-1.10 0.27-1.10
≥15yr 0.35-1.00 0.35-1.00
≥18yr 0.30-1.10 0.30-1.10
Absolute Eosinophils (103/uL)
Age Male Female
>0d 0.20-0.70 0.20-0.70
≥18yr 0.00-0.50 0.00-0.50
Absolute Basophil (103/uL)
Age Male Female
>0d 0.03-0.11 0.03-0.11
>28d 0.02-0.17 0.02-0.17
≥1yr 0.02-0.12 0.02-0.12
≥4yr 0.00-0.20 0.00-0.20
≥18yr 0.00-0.30 0.00-0.30
Atypical Lymphocytes (%)
Age Male/Female
>0d 0-6
Band Neutrophils  (%)
Age Male/Female
>0d 0-5

 

Reject Due To

 

Hemolysis

NA

Lipemia

NA

Icterus

NA

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

85048

Secondary ID

HHA268

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory