Laboratory Test Reference Guide

Laboratory Information

Test Name

Glucose Polycose Test

External Price (excl. GST)

2.63

Specimen Collection

Adult Specimen

Fluoride (grey)

Test Information

Department

Biochemistry

Test Availability

Mon - Fri, 0800 - 1630 excl. Public Holidays

Method

Cobas Pro " T"-Labs: Vitros XT7600

Unit of measurement

mmol/L

Uncertainty of measurement

5%

Diagnostic Use Or Instructions

 This test is a screening test for gestational diabetes using a 50g glucose or glucose polymer load.
It should not be confused with the glucose tolerance test. It is usually carried out at 24 - 28 weeks gestation.
50 g of glucose  given orally, consumed within 5 minutes. The glucose polymer solution for this test should be obtained from the pharmacy if not available on your area.
Blood is collected 1 hr later. Patient remains seated, should not eat and should not smoke during the test.

Interpretation

If the 1 hour glucose value is >7.7 mmol/L, then the gestational GTT should be performed without delay.

If the 1 hour value is > 11 mmol/L , refer directly to the diabetes in pregnancy service.

Electronic Information

Registration Code

GLU1P

HL7 mapping code

$GLU1P

LOINC Code

14754-6