Roche COBAS enzymatic colorimetric HK gen 3 ID/MS traceable
Rejection Criteria
Gross hemolysis Samples not properly labeled with draw time
Reference Range(s)
By Report
Specimen Requirements
Preferred Specimen
Sodium Fluoride Gray Top Tube
Minimum Volume
2 mL Whole blood for each sample collected
Sample Stability
5 days room temperature 1 week refrigerated
Transport Temperature
Refrigerated
Collection Instructions
Note: patient name and time of collection must be visible on timed collection tubes for testing. 1. Patient should be directed to fast overnight or for at least 8 hours. 2. Collect fasting sample: 2 mL sodium fluoride whole blood. Clearly label tube with time of collection and apply fluorescent timed collection label. Refrigerate. 3. Administer specified amount of glucose (glucola or other equivalent). 4. Collect 2 mL sodium fluoride whole blood at timed intervals of 1 hour, 2 hours and 3 hours after administration of glucose source. Clearly label tube with time of collection and apply fluorescent timed collection label. Refrigerate. 5. Submit fasting, 1 hour, 2 hour and 3 hours specimens rubber banded together.