Samples collected in serum separator tube Hemolysis Gross lipemia Icterus
Reference Range(s)
0.9-3.8 UG/ML
Specimen Requirements
Preferred Specimen
Plain red top tube
Minimum Volume
0.5 mL serum
Sample Stability
1 day room temperature 7 days refrigeratged 2 weeks frozen
Transport Temperature
Refrigerated
Collection Instructions
Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Refrigerate.