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Test Code GLUR Glucose, serum, random

Laboratory Code

LAB82

Specimen Requirements

Submit only one of the following:


Preferred
Specimen Type: Plasma
Container/Tube: Grey Top (Sodium Fluoride/Potassium Oxalate)
Volume: 4.5 mL
Minimum Volume: 0.5 mL plasma
Collection Instructions: Mix specimen well to avoid clotting. Centrifuge within 2 hrs.


Acceptable
Specimen Type: Serum/Plasma
Container/Tube: Gold Top (SSTII) / Green Top (Li Heparin/PST)
Volume: 5.0 mL / 4.5 mL
Minimum Volume: 0.5 mL serum/plasma
Collection Instructions:  Allow specimen to clot for 30 mins and centrifuge within 2 hrs.

Specimen Stability

Specimen Type Plasma (Stabilized with sodium fluoride/potassium oxalate)
Ambient 2 days
Refrigerate 7 days 
Frozen 3 months 

Methodology

Enzymatic Assay

Days and Times Performed

24 hrs, TAT 1 day

Specimen Condition

Haemolysis OK
Icterus OK
Lipaemia OK
Others Not applicable

Reference Interval

4.0 – 7.8 mmol/L
Critical value: < 2.5 or > 20.0 mmol/L

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Assessment of carbohydrate metabolic status.

Diagnosis of diabetes mellitus and hypoglycaemia.

Service Code

31117

LOINC Code Information

14749-6

Update

Last updated 11/03/2025