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HelpTest Code WBC White Blood Cell (WBC) Count, Blood
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 |
Critical values: <2.0 x 103/uL or > 30.0 x 103/uL
Reject Due To
|
Hemolysis |
NA |
|
Lipemia |
NA |
|
Icterus |
NA |
Day(s) Test Set Up
Monday through Sunday
CPT Coding
85048
Secondary ID
HHA267
Performing Laboratory
Huntsville Hospital Laboratory/Madison Hospital Laborator
LOINC Coding
| Test Name | LOINC Code |
|---|---|
|
White Blood Cell (WBC) Count, Blood |
6690-2 |