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Hematocrit, Blood
MessageDay(s) Test Set Up: Monday through Sunday
Test Code
HCT
CPT Codes
85014
Preferred Specimen
EDTA WHOLE BLOOD
Transport Container
Lavender-top (EDTA) Tube
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted blood is not acceptable.
Methodology
Coulter Impedance
Reference Range
HCT:
Newborns: 48.0-72.0%
2 months-5 years: 28.0-42.0%
6-12 years: 35.0-45.0%
Male:
13-18 years: 37.0-49.0%
>19 years: 41.0-53.0%
Female:
>13 years: 36.0-46%
Alarm values: <20.0% or >60.0%
Newborns: 48.0-72.0%
2 months-5 years: 28.0-42.0%
6-12 years: 35.0-45.0%
Male:
13-18 years: 37.0-49.0%
>19 years: 41.0-53.0%
Female:
>13 years: 36.0-46%
Alarm values: <20.0% or >60.0%
Clinical Significance
Useful for determining blood loss or need for transfusion.
Last Updated: August 30, 2012
