| Ordering Code | 564 |
|---|---|
| Test Name | White Blood Count |
| Alias | WBC Leukocyte Count Total WBC White Count White Blood Cell Count |
| Preferred Specimen | Whole Blood |
| Preferred Container | EDTA, K2 (Lavender) |
| Other Specimen/Container | Whole Blood in EDTA, K2 Microtainer (Lavender) |
| Optimum Volume | FULL DRAW |
| Collection Instructions | Do NOT collect in 7 mL EDTA tube Mix well. |
| Handling Instructions | Refrigerate specimen if transport time > 24 hours Hand mix ONLY. Do NOT mix on mechanical rocker/mixer. |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 24 Hours Refrigerated: 48 Hours |
| Rejection Criteria | Frozen, Clotted, Contaminated, Hemolyzed, Over filled tube, Under filled tube, Specimen older than stability limits. |
| Avail. Stat | YES |
| Analytic Time | 1 Day |
| Methodology | Automated cell counter |
Reference range(s)
The reference ranges listed below are valid on this date of June 1, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| White Blood Count | >=19Y | 3.80-10.80 | <= 1.00 | >= 50.00 | 3.80-10.80 | >= 50.00 | <= 1.00 | x10(3)/uL | |
| White Blood Count | 12Y-18Y | 3.84-9.84 | <= 2.00 | >= 20.00 | 3.84-9.84 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 6Y-12Y | 4.27-11.40 | <= 2.00 | >= 20.00 | 4.27-11.40 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 2Y-6Y | 4.86-13.38 | <= 2.00 | >= 20.00 | 4.86-13.38 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 6M-2Y | 5.98-13.51 | <= 2.00 | >= 20.00 | 5.98-13.51 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 2M-6M | 6.00-13.32 | <= 2.00 | >= 20.00 | 6.00-13.32 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 1M-2M | 7.05-14.99 | <= 2.00 | >= 20.00 | 7.05-14.99 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 2W-1M | 7.80-15.91 | <= 2.00 | >= 20.00 | 7.80-15.91 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 1W-2W | 8.04-15.40 | <= 2.00 | >= 20.00 | 8.04-15.40 | >= 20.00 | <= 2.00 | x10(3)/uL | |
| White Blood Count | 0-1W | 9.00-30.00 | <= 1.00 | >= 50.00 | 9.00-30.00 | >= 50.00 | <= 1.00 | x10(3)/uL |