HEMATOCRIT with Arterial Blood Gas

Synonyms: HCT, CRIT

CPT 4 Code: 85014

Order Test Mnemonic: AC HCT

Lab: High Volume Lab room 5.134 McCullough, Point-of-Care - ISCU

Request Form: Chemistry Form 3 - Blood Gases

Collection: Routine venipuncture

Storage Instructions: 2-8°C; Transport immediately (within 15 minutes) on ice to lab.

Causes for Rejection: Hemolysis, clotted, blood leaking from syringe, syringes with needles attached, improperly labeled, incomplete information

Availability: Samples are accepted 24 hours a day at the High Volume Lab Room 5.134 McCullough, Point-of-Care – ISCU.

Turnaround Time: 10 minutes (5 minutes CODE)

Special Instructions: Emergency cases should be sent to the Blood Gas Section of the High Volume Lab. This information applies to those cases. Indicate on slip and announce to lab personnel if sample is a CODE; sample will receive priority analysis. For routine hematocrit tests, order Hematocrit only (Hematology test) and send or deliver to Sample Managment, room 5.136 McCullough Building.

Specimen: Blood

Volume: 1 mL blood

Minimum Volume: 0.5 mL blood

Container: Heparinized syringe, green-topped (heparin) vacutainer tube, or lavender-topped (EDTA) vacutainer tube

Reference Ranges: Hct for Adult Male: 40-54%; Hct for Adult Female: 37-47%

Critical Values: < 20 %

Revised April 2007 by P. Harris