University of Iowa
Diagnostic Laboratories
(UIDL) Test Directory

319-384-7212 (local)
1-866-844-2522 (toll free)


WBC Count
Order Code: WBC
Order Form: Laboratory Requisition
Specimen:
Blood
Collection Medium:
Lavender top tube (EDTA)
Minimum:
Full draw; any size lavender top tube (or fingerstick)
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Analytic Time:
Routine turnaround time is approximately 2.5 hrs.
Reference Range:
18 years+                  3.7-10.5 k/mm3
6 years - <18 years        4.5-13.0 k/mm3
4 years - <6 years         5.0-15.5 k/mm3
2 years - <4 years         5.5-15.5 k/mm3
1 year - <2 years          6.0-17.0 k/mm3
3 months - <1 year*        6.0-17.5 k/mm3
31 days - <3 months*       5.0-19.5 k/mm3
0 day - <31 days*          9.0-30.0 k/mm3
*values refer to full term infants.

Critical value: <1.0 k/mm3 and >50.0 k/mm3
Comments:
Please print, complete and submit the Advance Beneficiary Notice 
(ABN) along with the Laboratory Requisition before shipping the 
specimen.
Methodology:
Flow Cytometry
Sample
Processing:
Submit whole blood in original container.
Do Not Centrifuge.
Sample
Storage:
Refrigerate.
Transport
Instructions:
Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
CPT Code:
85048
 
See Additional Information:
Hematology Critical Lab Values

Alphabetic main page

Updated: 04/29/2009