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Labcorp Oklahoma, Inc.
Test Directory


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Hematocrit (HCT)

Order Name HCT DET
Test Number: 0102100
Revision Date 11/28/2018
Test Name Methodology LOINC Code
Hematocrit (HCT)
Flow cytometry 4544-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL (1 mL) Whole Blood EDTA (Lavender Top) Refrigerated
Alternate 1 1 mL (0.5 mL) Whole Blood EDTA (Lavender) Microtainer/Bullet Refrigerated
Instructions For best results
Room temperature specimens should be tested within 12hrs, otherwise send Refrigerated.  Specimens received greater than 48hrs old will be canceled.
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1 Day  
Clinical Use The hematocrit is determined to access red cell mass as part of routine testing or in the evaluation of blood loss, anemia, state of hydration, and various polycythemic states. 
CPT Code(s) 85014
Lab Section Hematology