Preferred Specimen(s) 1.0 mL plasma after 12 hrs fasting in Fluoride/EDTA Tube
Instruction Patient should fast for atleast 8 hours
Transport Container Plastic screw-cap vial
Transport Temperature
- Ambient 5 days,
- Refrigerated 14 days
Reject Criteria
- Unspun SST
- Red-top or non-plasma separator (PST) green-top tubes
- Anticoagulants other than litium heparin, sodium heparin or fluoride/oxalate
Methodology Spectrophotometry (SP)
Clinical Significance Diagnosis of diabetes mellitus and evaluation of carbohydrate metabolism.