Hematocrit (Packed Cell Volume-PCV)
Label Mnemonic: HCT
Epic code: LAB289
Order form: Laboratory Requisition
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.

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:
Lavender tube is sent as whole blood, no processing necessary.
Sample Storage:
Refrigerate.
Transport Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
CPT Code:
85014
 
See Additional Information:
Hematology Critical Lab Values