IFA see intrinsic factor antibody
IgA see immunoglobulins
IgE (see also specific IgE (allergy) tests)
IGF-1 (Insulin-like growth factor 1)
IgG see immunoglobulins
IgG, CSF see CSF oligoclonal bands
Immunofixation see serum protein electrophoresis
Immunophenotyping see leukaemia immunophenotyping and CSF leukaemia immunophenotyping
Immunoreactive trypsin (IRT)
Inborn errors of metabolism, urine/plasma - for paediatric investigations see paediatric investigation profiles.
Infectious mononucleosis - gandular fever screen
Inhibitor screen (haematology) see APTT inhibitor screen and PT inhibitor screen (50:50 mix)
Inovelon see rufinamide
INR see coagulation screen
Insulin-like growth factor 1 (IGF1) see IGF-1
Insulin C-peptide see C-peptide (serum)
Iron (urine) test no longer available
Iron studies (iron, transferrin, transferrin index)
IRT see immunoreactive trypsinogen
Ischaemic forearm lactate & ammonia test see dynamic function tests
Islet antigen-2 antibody see IA-2 antibody
Islet cell antibody no longer offered due to poor performance. Please request GAD antibody instead.