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Fasting Plasma Glucose (FPG/FBS) print
Synonyms
Why do we do this test?
For the diagnosis of Diabetes mellitus (Type 1/Type 2/Gestational Diabetes mellitus)
Specimen Type
Plasma (Oxalate and Flouride salt)
Instructions for specimen collection & Patient preparation
Need fasting 10 - 12 hours (dinner at 10 pm and blood can be drawn following day 8 am)
Specimen transportation & Processing
Room temperature
Specimen storage & stability
Room temperature and 4° C
Specimen storage duration
At room temperature 8 hours and at 4°C 72 hours
Reference Intervals & Target Values
80 - 110 mg/dL or 4.4 - 6.1 mmol/L
Critical Limits
126 mg/dL or 7 mmol/L
Possible Pre-analytical Errors
Non fasting, fasting <10 hours, improper tube, late transport, delayed seperation of plasma
Possible Analytical Errors
Hemolysed, icteric and lypemic samples and in glucose oxidase method substances interfere with peroxidase like bilirubin, haemoglobin, uric acid and ascorbic acid
Available Government Laboratories
Yes
Recommended turnaround time
1- 2 hour

Test Method
Enzymatic (Glucose oxidase/Hezokinase/Glucose dehydrogenase)

Documentation

References

Last Updated : 2020-09-13 21:57:40

 

 

 

 

College of Chemical Pathologists of Sri Lanka

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