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General Information

Placing Lab Orders

Collecting Lab Specimens

Lab Section-Specific Information

 

 

Mayo Clinic Laboratories

Hematocrit auto

eD-H Order Code

LAB289

Specimen Collection Information

Specimen Minimum Test Volume Container Special Handling
Blood 0.5 ML
Neo/Pedi
Blood		 Neonatal/Pediatric
Minimum Volumes

Specimen Transport Temperature

Ambient, stable for 24 hours.

Reference Ranges / Critical Values

Assay Gender Age Range Normal Range Critical Values Units
Hct Male 0 Minutes – 3 Days 45.0 -74.0   %
    3 Days – 2 Weeks 41.0 -65.0   %
    2 Weeks – 1 Months 31.0 -55.0   %
    1 Months – 6 Months 28.0 -41.0   %
    6 Months – 2 Years 33.0 -39.0   %
    2 Years – 6 Years 34.0 -40.0   %
    6 Years – 12 Years 35.0 -45.0   %
    12 Years – 18 Years 37.0 -49.0   %
    18 Years – 150 Years 40.5 -48.5   %
  Female 0 Minutes – 3 Days 45.0 -74.0   %
    3 Days – 2 Weeks 41.0 -65.0   %
    2 Weeks – 1 Months 31.0 -55.0   %
    1 Months – 6 Months 28.0 -41.0   %
    6 Months – 2 Years 33.0 -39.0   %
    2 Years – 6 Years 34.0 -40.0   %
    6 Years – 12 Years 35.0 -45.0   %
    12 Years – 18 Years 36.0 -46.0   %
    18 Years – 150 Years 35.7 -45.8   %
  Unknown 0 Minutes – 3 Days 45.0 -74.0   %
    3 Days – 2 Weeks 41.0 -65.0   %
    2 Weeks – 1 Months 31.0 -55.0   %
    1 Months – 6 Months 28.0 -41.0   %
    6 Months – 2 Years 33.0 -39.0   %
    2 Years – 6 Years 34.0 -40.0   %
    6 Years – 12 Years 35.0 -45.0   %
    12 Years – 18 Years 37.0 -49.0   %
    18 Years – 150 Years 40.5 -48.5   %

Specimen Stability

48 hours

Additional Specimen Instructions

Acceptable Specimen Tubes

Lavender 4 mL tube

Lavender 2 mL tube

Lavender Microtainer MAP Tube

Properly filled tube required.

Day(s) Performed

Monday through Sunday; continuously

CPT(s)

85014

Performing Lab Section

Hematology