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HelpTest Code WBCWD WBC w/ Differential, LAB334
Performing Laboratory
St. Luke's Hospital Cedar Rapids
Specimen Requirements
Container/Tube:
Preferred: 3 mL of EDTA whole blood
Specimen Volume: Minimum 0.5 mL of EDTA
whole blood
Collection Instructions: Forward promptly.
Reference Values
|
WBC x 103/µL or th/mm3 |
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MALE |
FEMALE |
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AGE |
NORMAL |
AGE |
NORMAL |
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≥13 years |
4.50 – 11.00 |
≥13 years |
4.50 – 11.00 |
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7 – 13 years |
4.50 – 13.50 |
7 – 13 years |
4.50 – 13.50 |
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4 – 7 years |
5.50 – 15.00 |
4 – 7 years |
5.50 – 15.00 |
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2 – 4 years |
6.00 – 17.00 |
2 – 4 years |
6.00 – 17.00 |
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4 months – 2 years |
6.00 – 17.50 |
4 months – 2 years |
6.00 – 17.50 |
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1 – 3 months |
5.00 – 20.00 |
1 – 3 months |
5.00 – 20.00 |
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7 – 30 days |
5.00 – 21.00 |
7 – 30 days |
5.00 – 21.00 |
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0 – 6 days |
9.00 – 38.00 |
0 – 6 days |
9.00 – 38.00 |
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NEUTROPHILS x 103/µL or th/mm3 |
LYMPHOCYTES x 103/µL or th/mm3 |
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AGE |
ABSOLUTE |
AGE |
ABSOLUTE |
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0 – 30 days |
1.00 – 20.00 |
0 – 30 days |
2.00 – 11.00 |
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1 month – 2 months |
1.00 – 9.00 |
1 month – 2 months |
2.50 – 16.50 |
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3 months – 5 months |
1.00 – 8.50 |
3 months – 5 months |
4.00 – 13.50 |
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6 months – 4 years |
1.50 – 8.50 |
6 months-11 months |
4.00 – 10.50 |
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5 – 17 years |
1.70 – 7.50 |
1 year |
3.00 – 9.50 |
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≥18 years |
1.30 – 6.00 |
2 years – 4 years |
2.00 – 8.00 |
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5 – 17 years |
1.25 – 7.00 |
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≥18 years |
1.30 – 3.50 |
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MONOCYTES x 103/µL or th/mm3 |
EOSINOPHILS x 103/µL or th/mm3 |
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AGE |
ABSOLUTE |
AGE |
ABSOLUTE |
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0 – 30 days |
0.54 – 1.80 |
0 – 30 days |
0.00 – 0.90 |
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1 month – 2 months |
0.35 – 1.37 |
≥1 month |
0.00 – 0.60 |
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≥3 months |
0.30 – 0.90 |
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BASOPHILS x 103/µL or th/mm3 |
ATYPICAL LYMPHOCYTES x 103/µL or th/mm3 |
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|
AGE |
ABSOLUTE |
AGE |
Percent |
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0 – 30 days |
0.00 – 0.40 |
≥11 years |
0.0 – 3.0 |
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1 month – 17 years |
0.00 – 0.14 |
0 days – 11 years |
0.0 – 5.0 |
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≥18 years |
0.00 – 0.09 |
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IMMATURE GRANULOCYTES x 103/µL or th/mm3 |
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AGE |
PERCENT |
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≥2 years |
0.0 – 1.0 |
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1 month – 2 years |
0.0 – 2.0 |
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4 days – 1 month |
0.0 – 2.0 |
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2 – 4 days |
0.0 – 3.0 |
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0 - 2 days |
0.0 – 5.0 |
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METAMYELOCYTES x 103/µL or th/mm3 |
MYELOCYTES x 103/µL or th/mm3 |
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AGE |
PERCENT |
AGE |
PERCENT |
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|
≥2 years |
0.0 – 1.0 |
≥2 days |
0.0 |
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1 month – 2 years |
0.0 – 2.0 |
0 – 2 days |
0.0 – 1.0 |
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4 days – 1 month |
0.0 – 2.0 |
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2 – 4 days |
0.0 – 3.0 |
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0 - 2 days |
0.0 – 5.0 |
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PROMYELOCYTES x 103/µL or th/mm3 |
BLASTS x 103/µL or th/mm3 |
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AGE |
PERCENT |
AGE |
PERCENT |
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All ages |
0.0 |
All ages |
0.0 |
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Day(s) Test Set Up
Monday through Sunday
Useful For
Determination of White Blood Cell Count
Methodology
Electronic Resistance Detection
Test Classification and CPT Coding
85048
Critical Values
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|
Less than |
Greater than |
|
WBC (0-30 days) |
5.0 x 103/µL |
50.0 x 103/µL |
|
WBC (>30 days) |
2.0 x 103/µL |
40.0 x 103/µL |
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Neutrophil (absolute) |
0.50 x 103/µL |
|
Analytical Time
STAT within 1 hour upon receipt
Routine within 2 hours upon receipt