Common test name Primary test name Specimen Container Referred test Patient cost Comments/Instructions
IA-2 Antibodies Anti IA-2 Antibodies Blood  Serum Separator Tube (SST)  Yes  No   
IA2, Tyrosine Phosphatase Islet Cell Antigen 2 Blood  Serum Separator Tube (SST)  Yes  No   
IgA Immunoglobulin A Blood  Serum Separator Tube (SST)  No  No   
IgE Immunoglobulin E Blood  Serum Separator Tube (SST)  No  No   
IGF1 (Insulin-Like Growth Factor 1) Insulin Like Growth Factor 1 (IGF-1) Blood  Serum Separator Tube (SST)  No  No  Place specimen on ice and deliver to laboratory within 4 hours of collection. Venepuncture.  
IGF2 IGF2 Blood  Serum Separator Tube (SST)  Yes  No   
IGFBP3 Insulin-Like Growth Factor Binding Protein 3 Blood  Serum Separator Tube (SST)  Yes  No  Deliver to laboratory WITHIN 4 hrs of collection. Venepuncture. Place on ice  
IgG Immunoglobulin G Blood  Serum Separator Tube (SST)  No  No   
IgG Subclasses IgG Subclasses Blood  Serum Separator Tube (SST)  Yes  No   
IgH Framework 2 and 3 Immunoglobulin Heavy Chain Gene Rearrangement (IgH) Blood and/or Bone Marrow  EDTA Tube 4 ml  Yes  No  Collected at bone marrow biopsy by appointment. Collected by Haematologist at biopsy.  
IgM Immunoglobulin M Blood  Serum Separator Tube (SST)  No  No   
IGS Immunoglobulins Blood  Serum Separator Tube (SST)  No  No   
IL1 Interleukin 1   N/A  No  No   
IL6 Interleukin 6 Blood  Serum Separator Tube (SST)  Yes  Yes   
IM screen Epstein Barr Virus antibodies Blood  Serum Separator Tube (SST)  No  Yes   
Immunofixation Protein Electrophoresis, Serum Blood  Serum Separator Tube (SST)  No  No   
Immunoglobulin A Immunoglobulin A Blood  Serum Separator Tube (SST)  No  No   
Immunoglobulin E Immunoglobulin E Blood  Serum Separator Tube (SST)  No  No   
Immunoglobulin G Immunoglobulin G Blood  Serum Separator Tube (SST)  No  No   
Immunoglobulin G, subclasses IgG Subclasses Blood  Serum Separator Tube (SST)  Yes  No   
Immunoglobulin Gene rearrangement Immunoglobulin Gene rearrangement Bone marrow  EDTA Tube 4 ml  Yes  No   
Immunoglobulin Heavy Chain Gene Rearrangement (IgH) Immunoglobulin Heavy Chain Gene Rearrangement (IgH) Blood and/or Bone Marrow  EDTA Tube 4 ml  Yes  No  Collected at bone marrow biopsy by appointment. Collected by Haematologist at biopsy.  
Immunoglobulin M Immunoglobulin M Blood  Serum Separator Tube (SST)  No  No   
Immunoglobulins Immunoglobulins Blood  Serum Separator Tube (SST)  No  No   
Impetigo swab, Microscopy and culture Skin swab, Microscopy and culture Skin swab  Transswab- swab in transport medium  No  No   
Implant, Microscopy and Culture Implant, Microscopy and Culture Implant or prosthetic device  Sterile container  No  No  Deliver immediately. Do not add formalin. Collected by referring Clinician.  
Indirect Coombs Antibody Screen (Red Cell antibodies) Blood  EDTA Tube 6ml  No  No   
Infectious mononucleosis serology Epstein Barr Virus antibodies Blood  Serum Separator Tube (SST)  No  Yes   
Influenza Virus A & B antibodies Influenza Virus A & B antibodies Blood  Serum Separator Tube (SST)  Yes  No  Collect acute and convalescent samples 2 weeks apart. Provide date of onset of illness. Venepunctu... (more)  
Influenza Virus A and B PCR Respiratory Viral PCR   Sterile container  Yes  No   
Inhibin Inhibin Blood  Serum Separator Tube (SST)  Yes  Yes   
Inorganic Phosphate Phosphate Blood  Serum Separator Tube (SST)  No  No   
INR (International Normalised Ratio) INR (International Normalised Ratio) Blood  Sodium citrate Tube 2.7 ml  No  No  Sodium citrate tubes must be filled to the line. Keep at 4ºC, deliver within 4 hours. Answer all q... (more)  
Insulin Insulin Blood  Lithium Heparin Tube  No  No  Fasting specimens preferred (10 hours overnight fast.) NB: Sometimes insulins are requested with glu... (more)  
Insulin antibodies Anti-Insulin antibodies Blood  Serum Separator Tube (SST)  No  No   
Insulin Like Growth Factor 1 (IGF-1) Insulin Like Growth Factor 1 (IGF-1) Blood  Serum Separator Tube (SST)  No  No  Place specimen on ice and deliver to laboratory within 4 hours of collection. Venepuncture.  
Insulin-Like Growth Factor Binding Protein 3 Insulin-Like Growth Factor Binding Protein 3 Blood  Serum Separator Tube (SST)  Yes  No  Deliver to laboratory WITHIN 4 hrs of collection. Venepuncture. Place on ice  
Intact Parathyroid Hormone Parathyroid Hormone (PTH) Blood  Serum Separator Tube (SST)  No  No   
Interferon Antibodies Interferon Antibodies Blood  Serum Separator Tube (SST)  Yes  No  Specimen must be frozen Specimen must be collected at least 24 hours post dose  
Interleukin 1 Interleukin 1   N/A  No  No   
Interleukin 6 Interleukin 6 Blood  Serum Separator Tube (SST)  Yes  Yes   
Intra Uterine Device (IUD) Intra Uterine Device (IUD) Intra Uterine Device (IUD)  Sterile container  No  No   
Intracellular substance of squamous epithelium antibodies Anti-intracellular substance of squamous epithelium Blood  Serum Separator Tube (SST)  No  No   
Intravasular Coagulation Screen Disseminated Intravascular Coagulation (Screen) Whole Blood  Sodium citrate Tube 2.7 ml  No  No  Deliver in less than 30 minutes Clean, Untraumatic Venepuncture  
Intrinsic Factor antibodies Anti-Intrinsic Factor antibodies Blood  Serum Separator Tube (SST)  No  No   
Iodine, Urine Iodine, Urine Urine  Urine/Specimen container 50ml  Yes  No   
Ionised Calcium Calcium Activity (Ionised) Blood  Syringe * Blood Gas  No  No   
Iron Iron Blood  Serum Separator Tube (SST)  No  No   
Iron Studies (Includes Iron, Transferrin and Ferritin) Iron Studies (Includes Iron, Transferrin and Ferritin) Blood  Serum Separator Tube (SST)  No  No   
Iron, Liver Tissue Iron, Liver Tissue Liver tissue  Sterile container  Yes  No   
Iron, Urine Iron, Urine Urine  Urine container Plain 24 hour  Yes  No   
Islet Cell Antigen 2 Islet Cell Antigen 2 Blood  Serum Separator Tube (SST)  Yes  No   
Isoniazid, Qualitative Screen (urine) Isoniazid, Qualitative Screen (urine) Urine  Urine/Specimen container 50ml  No  No   
Itraconazole Itraconazole Blood  Serum Separator Tube (SST)  Yes  No  Trough level - collect at least 6-8 hours after last dose. Venepuncture. Date, time and dose of las... (more)