Hemolysis
Samples collected in plain red top tube
Frozen samples
Tubes received unsealed or that have been opened
Reference Range(s)
4.70-5.90 mg/dL
Specimen Requirements
Preferred Specimen
Unopened Serum Separator Tube
Minimum Volume
0.5 mL serum from unopened SST
Sample Stability
8 hours room temperature 7 days refrigerated
Transport Temperature
Refrigerated
Collection Instructions
One unopened serum separator tube. Centrifuge with
stopper in place. Submit unopened tube sealed with
red tape. When multiple tests are ordered, submit separate
tube for this test.
