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HelpTest Code HCT Hematocrit, Blood
Methodology
Calculation Based on RBC Count and MCV
Performing Laboratory
Sky Lakes Medical Center-Hematology
Specimen Requirements
Specimen must arrive within 24 hours of draw. Specimen Type: Blood Container/Tube: Lavender-top (EDTA) tube or lavender-top (EDTA) MICROTAINER Specimen Volume; Full tube Collection Instructions: 1. Invert tube several times to mix blood. 2. Do not centrifuge 3. Hemolyzed or clotted specimen, specimen diluted with intravenous fluid, or tube not filled with minimum volume is not acceptable.
Specimen Transport Temperature
Ambient/Frozen NO
Reference Values
Males 0-24 hours: 43.0-64.0%>1-14 days: 44.0-64.0%>15-365 days: 29.0-44.0%>1-4 years: 31.0-43.0%>5-11 years:33.0-44.0%>12-18 years: 37.0-52.0%>18-110 years: 39.0-54.0%>Critical values (automatic call-back)Newborns:≤30% or≥70%Adults:≤20% or≥60%Females0-24 hours: 43.0-64.0%>1-14 days: 44.0-64.0%>15-365 days: 29.0-44.0%>1-4 years: 31.0-43.0%>5-11 years:33.0-44.0%>12-18 years:34.0-49.0%18-110 years: 35.0-48.0%Critical values (automatic call-back)Newborns:≤30% or≥70%Adults:≤20% or≥60%
Day(s) Test Set Up
Monday through SundayAvailable STAT
Test Classification and CPT Coding
85014
Test Order Code
LAB289