Test Code WBC WBC, AUTOMATED
Methodology
Automated Hematology Analyzer
Specimen Requirements
EDTA Whole Blood
Container/Tube: Lavender (EDTA)
Specimen Volume: Fill tube to appropriate line (Microtainers must be filled to Second Mark).
Collection: Prefer to receive specimen within 12 hours of collection. Prefer specimen to be stored and transported refrigerated.
Specimen Transport/Stability
Refrigerated - 24 hours
Specimen Rejection
- Under-filled Tube
- Unlabeled Specimen
- Clotted or Hemolyzed Specimen
- Specimen exceeds stability requirements
Maximum Laboratory Time
24 to 48 hours
Reference Ranges
WBC | THOU / cmm |
Newborn | 9.0-34.0 |
7 days | 5.0-21.0 |
1 mo | 5.0-19.5 |
6 mos | 6.0-17.5 |
1 yr | 6.0-17.0 |
6 yrs | 5.0-15.0 |
7 yrs | 5.0-15.0 |
8 yrs | 4.5-13.5 |
15 yrs | 4.3-11.0 |
ADULT WBC REFERENCE RANGE 4.8-10.8 Thous/cmm
ADULT WBC CRITICAL VALUE : REFER TO LH-W CRITICAL VALUES POLICY
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
85048