Hematocrit (Packed Cell Volume-PCV)
Label Mnemonic: HCT
Epic code: LAB289
Downtime form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Hematology
6240 RCP
356-3527
Specimen(s):
Blood
Collection Medium:
Lavender top tube 3 mL (EDTA)
Minimum:
Full draw; 3.0 mL lavender top; (or fingerstick-purple top microtainer®)
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
1 hour (upon receipt in laboratory)
Reference Range:
 
                               Males          Females
18 years+                      40-52%         35-47%
11 years - <18 years           37-48%         34-44%
5 years - <11 years            35-44%         35-44%
1 year - <5 years              31-44%         31-44%
6 months - <1 year             31-41%         31-41%
3 months - <6 months*          29-41%         29-41%
2 months - <3 months*          28-41%         28-41%
31 days - <2 months*           33-54%         33-54%
0 - <31 days*                  42-64%         42-64%
* values refer to full term infants.

Critical value: <18% and >55% (adult)
Comments:
Refer to BD Microtainer® Tubes product sheet for detailed sample collection instructions.
Methodology:
Automated - Flow Cytometry
CPT Code:
85014