Figure 1: Current diagnostic algorithm according to NHMRC Guidelines Patient at high risk of diabetes according to AUSDRISK, or at risk according to guidelines Fasting or random blood glucose test suspected Result below Result equivocal (≥7.0mmol/l) diagnostic cutoff (5.5-6.9mmol/l) (<5.5mmol/l)- no diabetes Confirmatory fasting blood Oral Glucose glucose Re-test according Tolerance Test to guidelines Below diagnostic Diabetes confirmed Result equivocal cutoff (FPG < (FBG ≥7.0mmol/l or 5.5mmol/l or 2hr GTT 2hr GTT ≥ <7.8mmol/l))- no 11.1mmol/l) diabetes (including HbA1c test to assess severity) Re-test according Oral glucose Commence to guidelines Tolerance Test management Diabetes Below diagnostic confirmed (2hr cutoff (2hr GTT ≥ 11.1mmol/l) <7.8mmol/l)-no Re-test according to guidelines Commence management (including HbA1c test to assess severity)
Figure 1: Current diagnostic algorithm according to NHMRC Guidelines Patient at high risk of diabetes according to AUSDRISK, or at risk according to guidelines Fasting or random blood glucose test Result below diagnostic cutoff (<5.5mmol/l)- no diabetes Result equivocal (5.5-6.9mmol/l) suspected (≥7.0mmol/l) Re-test according to guidelines Oral Glucose Tolerance Test Confirmatory fasting blood glucose Below diagnostic cutoff (FPG < 5.5mmol/l or 2hr GTT <7.8mmol/l))- no diabetes Diabetes confirmed (FBG ≥7.0mmol/l or 2hr GTT ≥ 11.1mmol/l) Result equivocal Re-test according to guidelines Commence management (including HbA1c test to assess severity) Oral glucose Tolerance Test Below diagnostic cutoff (2hr GTT <7.8mmol/l)-no Diabetes confirmed (2hr ≥ 11.1mmol/l) Re-test according to guidelines Commence management (including HbA1c test to assess severity)
1267-HbA1c-FinalDAP-accessible.docx