Hemoglobin and Hematocrit
Centralized Core Laboratory - :
Hematology
Tube Type:
Purple top (EDTA) tube: Whole Blood
Collection Volume:
2.0 mL (minimum 0.3 mL)
Cause for Rejection:
Specimen hemolyzed, clotted, diluted with IV fluid; held at RT for more than 8 hours or at 4C for more than 24 hours
Availability:
Daily, 24 hours; STAT
Methodology:
Flow Cell Spectrophotometry/ Impedance measurement
Special Instructions:
Lipemic plasma or white count > 50,000/mm3 may falsely elevate the hemoglobin.
Additional Info:
Reference range is available on patient report
Test ID/Workstation :
H&H
Tube Type:
Purple top (EDTA) tube: Whole Blood
Collection Volume:
2.0 mL (minimum 0.3 mL)
Cause for Rejection:
Specimen hemolyzed, clotted, diluted with IV fluid; held at RT for more than 8 hours or at 4C for more than 24 hours
Availability:
Daily, 24 hours; STAT
Methodology:
Flow Cell Spectrophotometry/ Impedance measurement
Special Instructions:
Lipemic plasma or white count > 50,000/mm3 may falsely elevate the hemoglobin.
Additional Info:
Reference range is available on patient report
