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See Sample Requirements and Special Instructions for keys to sample codes and special instructions.


Test Code Sample Reqs Assay
G6PD G6PD A 4 days  
Gabapentin  GABA B 7 days  
Gall Stone Analysis  RSTA STONE 10 days  
Gamma GT * GGT B 4 hrs  
Ganglioside GM1, GD1B, GQ1B Abs  GANG B 5 days  
Gardnerella vaginalis (PCR swab) GVPC  PCR  5 days  
Gardnerella vaginalis (Thin Prep) GVPC TPV 5 days  
Gardnerella vaginalis (Urine)  GVPC FCRU  5 days  
Gastric Parietal Autoantibodies GASP B 2 days  
Genetic Reproductive Profile (Male) GRP A H [9] 10-15 days 9
Gentamicin Assay  GENT B [4] 4 hrs 4
Giardia Antigen (Fresh Stool) GIAG RF [9,14] 2 days 9,14
Gliadin Antibodies (IgA + IgG)  AGAB B 2 days  
Globulin * GLOB B 4 hrs  
Glomerular Basement Membrane Abs AGBM B 2 days  
Glucose * RBG G 4 hrs  
Glucose Tolerance (2 hrs)  GTTS G G 2x RU 4 hrs  
Glucose Tolerance + Insulin GTTI X 4 hrs  
Glucose Tolerance Test  GTT G G G G G 5x RU(X) 4 hrs  
Glucose Tolerance Test (Extended) GTTE G G G G G G 6x RU(X)  4 hrs  
Glucose Tolerance Test (Short) GTT3 G G G 3x RU(X) 4 hrs  
Gluten Sensitivity Evaluation GSA B 2 days  
Gluten/Coeliac Profile 2  GSA2 A B 10 days  
Gluten/Coeliac Profile 3  GSA3 A B 10 days  
Glycosylated HB*
GHB A 6 hrs  
Gonorrhea (Roche Urine)* UGON J 3 days 1
Gonorrhea (Roche Swab)* GONS J 3 days 1
Gonorrhoea (PCR swab)  SGON PCR 2 days  
Gonorrhoea (Thin Prep)  TGON TPV 5 days  
Gonorrhoea (Urine)  CGON FCRU 2 days  
Group B Strep  GBS 2x STM 2 days  
Growth Hormone (Fasting)  GH B [7,24] 4 hrs 7,24


* = ISO 15189(296MT) accredited test, analysed in MLP