Southern Cross Pathology Australia Specimen collection requirements G..... G6PD SCREEN Specimen / Tube: Whole blood / EDTA, 1 mL Reference Range: Normal Results Available: Daily G6PD ASSAY Specimen / Tube: Whole blood / EDTA, 1 mL Reference Range: 0 - 6 days 13.6 - 27.2 IU/gHb 1 - 51 weeks 9.2 - 22.8 IU/gHb >1 year 8.6 - 15.0 IU/gHb Results Available: Test performed on request. GAD ANTIBODIES Specimen / Tube: Serum / Plain, 0.5 mL Note: Replacement assay for Pancreatic Islet cell Antibodies. Reference Range: Interpretive report provided Results Available: External referral - Monthly GALACTOSE - 1 - PHOSPHATE Specimen / Tube: Whole blood, Heparin Reference Range: Text Results Available: External referral GALACTOSE SCREEN Specimen / Tube: Oxalate whole blood or EDTA whole blood. Reference Range: Free Text Results Available: Daily GAMMA GLOBULIN (ANTI-D) FOR INJECTION Specimen / Tube: Whole blood / EDTA, 10 mL Available: Check with blood bank Comments; Send completed 'blood bank request slip' to laboratory GAMMA GLUTAMYL TRANSPEPTIDASE Specimen / Tube: Serum / Plain, 5 mL or Plasma / Heparin, 5 mL Reference Range: Female < 30 days 5 - 250 U/L < 20 years 5 - 45 U/L > 20 years 5 - 45 U/L Male < 30 days 5 - 250 U/L < 20 years 5 - 45 U/L < 150 years 10 - 74 U/L Results Available: 4 hours GANGLIOSIDE (GM1, GQ1B) ANTIBODIES Specimen / Tube: Serum / Plain, 0.5-2.0 mL Reference Range: Interpretive report provided Results Available: External referral GASTRIC PARIETAL CELL ANTIBODIES see ANTI GPC ANTIBODIES GASTRIN Specimen / Tube: Serum / Plain, 5 mL Collection details: Room temperature only (Not on ice). Collected after overnight fast. Reference Range: 0 - 43 pmol/L Results available: External referral. GENE REARRANGEMENT Specimen / Tube: Whole blood / Heparin, 20 mL Reference Range: Interpretive report provided Results Available: External referral Comments: To be discussed with the Haematologist GENITAL INFECTIONS Specimen / Tube: Sterile swab in transport medium Collection Details: Cervical swab Urethral swab Vaginal swab Bartholin's abscess swab Lesion swab - see Herpes simplex virus culture. Results Available: Daily Comments: Endocervical swab or urine required for Chlamydia. GENTAMICIN Specimen / Tube: Serum / Plain, 5 mL Therapeutic Range: Dependent on mode of administration and dosing regime. Contact Infectious Diseases Registrar Results Available: 4 hours GLANDULAR FEVER/ INFECTIOUS MONONUCLEOSIS - see EBV SEROLOGY GLANDULAR FEVER - MONOSPOT ( IM SCREEN) Specimen / Tube: Serum / Plain or EDTA, Adults - 4 mL, Paediatric - 1 mL, neonates - 0.5 mL Reference Range: Negative Results Available: Test performed Daily. GLIADIN ANTIBODIES See ANTI GLIADIN ANTIBODIES GLOMERULAR BASEMENT MEMBRANE (GBM) ANTIBODIES Specimen / Tube: Serum / Plain, 1 mL Results Available: External referral GLUCAGON Specimen / Tube: Plasma / Heparin with 10% trasylol, 5 mL Collection Details: Contact Duty Biochemist. Collect on ice. Patient should be fasting. 5 mL plasma with 10% trasylol per 10 mL blood. Reference Range: 20 - 150 pg/mL Results Available: External referral GLUCOSE Specimen / Tube: Plasma / Heparin, 5 mL or Serum / Plain, 5 mL, or Plasma / Fluoride-EDTA, 2 mL Collection Details: Screen for gestational diabetes, glucose tolerance test in pregnancy or glucose tolerance test. Reference Range: Fasting 3.5 - 6.0 mmol/L Random 3.0 - 10.0 mmol/L Results Available: 4 hours GLUCOSE - 6 - PHOSPHATE DEHYDROGENASE see G6PD GLUCOSE SCREEN FOR GESTATIONAL DIABETES Specimen / Tube: Plasma / Fluoride-EDTA, 2 mL Collection Details: Glucose sample is taken 1 hour after a 75g load is given to patient. Reference Range: 3.5 - 8.0 mmol/L Results Available: 4 hours GLUCOSE TOLERANCE TEST Specimen / Tube: Plasma / Fluoride-EDTA, 2 mL Collection Details: Specimen 1: fasting blood Patient given 75g glucose load. Specimen 2: blood 1 hour after load. Specimen 3: blood 2 hours after load. Reference Range: Fasting 3.5 - 6.0 mmol/L (WHO diagnostic criteria) 2 hour 3.5 - 7.7 mmol/L Results Available: 4 hours Comments: Urine samples not required unless specifically requested or the clinical notes mention glycosuria. GLUCOSE TOLERANCE TEST (PREGNANCY) Specimen / Tube: Plasma / Fluoride-EDTA, 2 mL Collection Details: Specimen 1: Fasting blood. Patient given 75 g glucose load. Specimen 2: 1 hour after load. Specimen 3: 2 hours after load. Reference Range: Fasting 3.5 - 6.0 mmol/L 1 hour 3.5 - 9.5 mmol/L 2 hour 3.5 - 7.9 mmol/L Results Available: 4 hours Comments: Urine samples not required. GLYCATED HAEMOGLOBIN (HBA1C) Specimen / Tube: Whole blood / EDTA, 4 mL Reference Range: 4.0 - 6.8 % Normal 6.1 - 7.0 % Very good control 7.1 - 8.0 % Adequate control 8.1 - 9.0 % Sub-optimal control >9.0 % Poor control. Results Available: Weekdays GROUP AND SAVE SERUM Specimen / Tube: Whole blood / EDTA; Adults-10 mL, Paediatrics-1.0 mL, Neonates-0.5mL Collection Details: Labelling requirements must be strictly adhered to. See page 5. Available: Crossmatched blood will be available within 15 minutes, if the Group and Save has been completed. GROWTH HORMONE Specimen / Tube: Serum / Plain, 5 mL Reference Range: 0 - 20 mU/L Results Available: Twice weekly

Southern Cross Pathology Australia Specimen collection requirements G..... G6PD SCREEN Specimen / Tube: Whole blood / EDTA, 1 mL Reference Range: Normal Results Available: Daily G6PD ASSAY Specimen / Tube: Whole blood / EDTA, 1 mL Reference Range: 0 - 6 days 13.6 - 27.2 IU/gHb 1 - 51 weeks 9.2 - 22.8 IU/gHb >1 year 8.6 - 15.0 IU/gHb Results Available: Test performed on request. GAD ANTIBODIES Specimen / Tube: Serum / Plain, 0.5 mL Note: Replacement assay for Pancreatic Islet cell Antibodies. Reference Range: Interpretive report provided Results Available: External referral - Monthly GALACTOSE - 1 - PHOSPHATE Specimen / Tube: Whole blood, Heparin Reference Range: Text Results Available: External referral GALACTOSE SCREEN Specimen / Tube: Oxalate whole blood or EDTA whole blood. Reference Range: Free Text Results Available: Daily GAMMA GLOBULIN (ANTI-D) FOR INJECTION Specimen / Tube: Whole blood / EDTA, 10 mL Available: Check with blood bank Comments; Send completed 'blood bank request slip' to laboratory GAMMA GLUTAMYL TRANSPEPTIDASE Specimen / Tube: Serum / Plain, 5 mL or Plasma / Heparin, 5 mL Reference Range: Female < 30 days 5 - 250 U/L < 20 years 5 - 45 U/L > 20 years 5 - 45 U/L Male < 30 days 5 - 250 U/L < 20 years 5 - 45 U/L < 150 years 10 - 74 U/L Results Available: 4 hours GANGLIOSIDE (GM1, GQ1B) ANTIBODIES Specimen / Tube: Serum / Plain, 0.5-2.0 mL Reference Range: Interpretive report provided Results Available: External referral GASTRIC PARIETAL CELL ANTIBODIES see ANTI GPC ANTIBODIES GASTRIN Specimen / Tube: Serum / Plain, 5 mL Collection details: Room temperature only (Not on ice). Collected after overnight fast. Reference Range: 0 - 43 pmol/L Results available: External referral. GENE REARRANGEMENT Specimen / Tube: Whole blood / Heparin, 20 mL Reference Range: Interpretive report provided Results Available: External referral Comments: To be discussed with the Haematologist GENITAL INFECTIONS Specimen / Tube: Sterile swab in transport medium Collection Details: Cervical swab Urethral swab Vaginal swab Bartholin's abscess swab Lesion swab - see Herpes simplex virus culture. Results Available: Daily Comments: Endocervical swab or urine required for Chlamydia. GENTAMICIN Specimen / Tube: Serum / Plain, 5 mL Therapeutic Range: Dependent on mode of administration and dosing regime. Contact Infectious Diseases Registrar Results Available: 4 hours GLANDULAR FEVER/ INFECTIOUS MONONUCLEOSIS - see EBV SEROLOGY GLANDULAR FEVER - MONOSPOT ( IM SCREEN) Specimen / Tube: Serum / Plain or EDTA, Adults - 4 mL, Paediatric - 1 mL, neonates - 0.5 mL Reference Range: Negative Results Available: Test performed Daily. GLIADIN ANTIBODIES See ANTI GLIADIN ANTIBODIES GLOMERULAR BASEMENT MEMBRANE (GBM) ANTIBODIES Specimen / Tube: Serum / Plain, 1 mL Results Available: External referral GLUCAGON Specimen / Tube: Plasma / Heparin with 10% trasylol, 5 mL Collection Details: Contact Duty Biochemist. Collect on ice. Patient should be fasting. 5 mL plasma with 10% trasylol per 10 mL blood. Reference Range: 20 - 150 pg/mL Results Available: External referral GLUCOSE Specimen / Tube: Plasma / Heparin, 5 mL or Serum / Plain, 5 mL, or Plasma / Fluoride-EDTA, 2 mL Collection Details: Screen for gestational diabetes, glucose tolerance test in pregnancy or glucose tolerance test. Reference Range: Fasting 3.5 - 6.0 mmol/L Random 3.0 - 10.0 mmol/L Results Available: 4 hours GLUCOSE - 6 - PHOSPHATE DEHYDROGENASE see G6PD GLUCOSE SCREEN FOR GESTATIONAL DIABETES Specimen / Tube: Plasma / Fluoride-EDTA, 2 mL Collection Details: Glucose sample is taken 1 hour after a 75g load is given to patient. Reference Range: 3.5 - 8.0 mmol/L Results Available: 4 hours GLUCOSE TOLERANCE TEST Specimen / Tube: Plasma / Fluoride-EDTA, 2 mL Collection Details: Specimen 1: fasting blood Patient given 75g glucose load. Specimen 2: blood 1 hour after load. Specimen 3: blood 2 hours after load. Reference Range: Fasting 3.5 - 6.0 mmol/L (WHO diagnostic criteria) 2 hour 3.5 - 7.7 mmol/L Results Available: 4 hours Comments: Urine samples not required unless specifically requested or the clinical notes mention glycosuria. GLUCOSE TOLERANCE TEST (PREGNANCY) Specimen / Tube: Plasma / Fluoride-EDTA, 2 mL Collection Details: Specimen 1: Fasting blood. Patient given 75 g glucose load. Specimen 2: 1 hour after load. Specimen 3: 2 hours after load. Reference Range: Fasting 3.5 - 6.0 mmol/L 1 hour 3.5 - 9.5 mmol/L 2 hour 3.5 - 7.9 mmol/L Results Available: 4 hours Comments: Urine samples not required. GLYCATED HAEMOGLOBIN (HBA1C) Specimen / Tube: Whole blood / EDTA, 4 mL Reference Range: 4.0 - 6.8 % Normal 6.1 - 7.0 % Very good control 7.1 - 8.0 % Adequate control 8.1 - 9.0 % Sub-optimal control >9.0 % Poor control. Results Available: Weekdays GROUP AND SAVE SERUM Specimen / Tube: Whole blood / EDTA; Adults-10 mL, Paediatrics-1.0 mL, Neonates-0.5mL Collection Details: Labelling requirements must be strictly adhered to. See page 5. Available: Crossmatched blood will be available within 15 minutes, if the Group and Save has been completed. GROWTH HORMONE Specimen / Tube: Serum / Plain, 5 mL Reference Range: 0 - 20 mU/L Results Available: Twice weekly