| Field Name |
Data Description |
| Test Name |
White Blood Cell Count (WBC) |
| Code |
WBC |
|
CPT Code |
85048 |
| Last Modified |
4/22/2014 |
| Test Name |
WHITE BLOOD CELL COUNT (WBC) (1073) |
| Synonyms |
|
| Patient Preparation |
|
| Spec. Requirements |
Blood |
| Tube |
Lavender (EDTA) |
| Collection Volume |
3.0 mL |
| Storage |
AMBIENT |
| Routine TAT |
2 hours |
| STAT TAT |
0.5 hour |
| Days Test Performed |
Daily |
| Performed by BHS |
All Hospitals |
| See Availability |
All shifts |
| Reference Lab |
N/A |
| Reference Lab Code |
|
| Clinical Use |
Evaluate the white cell count, bacterial and viral infections, diagnose and or evaluate leukemic states. |
| Reference Range |
Adult: 4.8 - 10.8 k/cmm |
| Critical Value |
<= 1.5 k/cmm or >=50.0 k/cmm (inpatients)<= 1.5 k/cmm or >=15.0 k/cmm (outpatients) |
|
Component |
WBC |
|
Reference Range |
Adult: 4.8-10.8 k/ cmm |
|
Critical Value |
<= 1.5 k/cmm; >=50.0 k/cmm |
 |
|
| Testing Sample Type |
Whole Blood |
| Min Lab Testing Volume |
ADULT: 1 mL (0.5); Neonate: 0.5 (0.25) mL |
| Special Handling |
Room temperature. If testing is delayed more than 6 hours, store at 2-4 degrees Celsius. |
| Lab Notes |
Blood should be tested within 6 hours of venipuncture. If testing will be delayed more than 4 hours, 2 peripheral smears should be made ASAP after venipuncture. |
| Methodology |
Electronic Impedance |
| Limitations |
|
