University of Iowa
Diagnostic Laboratories
(UIDL) Test Directory

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


Hematocrit (Packed Cell Volume-Pcv) Order Code: HCT
Order Form: Laboratory Requisition
Specimen:
Blood
Collection Medium:
Lavender top tube (EDTA)
Minimum:
Full draw; any size lavender top; (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:
                               Males          Females
18 years+                      40-52%         35-47%
11 years-17 years 364 days     37-48%         34-44%
5 years-10 years 364 days      35-44%         35-44%
1 year-4 years 364 days        31-44%         31-44%
6 months-364 days              31-41%         31-41%
3 months-5 months 30 days*     29-41%         29-41%
2 months–2 months 30 days*     28-41%         28-41%
31 day–1 month 30 days*        33-55%         33-55%
0-30 days*                     42-65%         42-65%
* values refer to full term infants.

Critical value: <18% and >55% (adult)
Comments:
Please print, complete and submit the Advance Beneficiary Notice 
(ABN) along with the Laboratory Requisition before shipping the 
specimen.
Methodology:
Automated - Flow Cytometry
Sample
Processing:
Submit whole blood in original container.
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:
85014
 
See Additional Information:
Hematology Critical Lab Values
Hematology Pediatric Reference Ranges

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Updated: 08/20/2008