Test Code Test Name
IGASUB IgA Subclasses
IGD IgD, Serum [541X]
TOTIGE IgE, Total, Serum
IGFBP3 IGF Binding Protein-3 (IGFBP-3)
IGF1 IGF-1, LC/MS [16293]
IGF2 IGF-2 [92790]
IGGIDX IgG Synthesis Rate/Index, CSF [7558]
IGGCSF IgG, CSF
74317 IHC Stain (FLOW Cytometry)
IMIPRM Imipramine [887]
IMMCEL Immune Cell Function [15435]
IMCMPX Immune Complex Detection by C1q Binding [36735]
IGSIT Immunofixation With IgG / IgA / IgM Quantitative
IFECSF Immunofixation, CSF [37962]
SIFE Immunofixation, Serum
UIFE Immunofixation, Urine
IGA Immunoglobulin A
IGG Immunoglobulin G
IGGSU1 Immunoglobulin G Subclass 1
IGGSU2 Immunoglobulin G Subclass 2
IGGSU3 Immunoglobulin G Subclass 3
IGGSU4 Immunoglobulin G Subclass 4
IGGSPA Immunoglobulin G Subclasses Panel
IGM Immunoglobulin M
IGAGM Immunoglobulins A,G,M
IGPNL Immunoglobulins Panel, CSF
IBD Inflammatory Bowel Disease Differentiation Panel [16503]
INFXR Infliximab Quantitation w/Reflex to Antibodies, to Infliximab, Serum
FAB Influenza Type A and B Antibodies, Serum  [7250X]
INFLUA Influenza Type A Antibody, Serum [687]
IFLUB Influenza Type B Antibody, Serum [4440X]
INHMUT Inherited Mutation Panel for Thrombophlia
INHIBA Inhibin A [34472]
INHIBB Inhibin B
INS Insulin
INSAB Insulin Autoantibody
INSFR Insulin, Free (Bioactive) [36700]
INSURD Insure Fecal Occult Blood (Diagnostic)
INSURS Insure Fecal Occult Blood (Screening)
PTHI Intact PTH And Calcium
IL2R Interleukin-2 Receptor Alpha Chain (IL-2Ra/CD25), Soluble
IL6 Interleukin-6 (IL-6), Serum
INTFAB Intrinsic Factor Blocking Antibody [568]
IODN24 Iodine, 24-Hour Urine [16602]
IODINE Iodine, Serum/Plasma [16599]
FEPR Iron Binding Capacity, Including Iron and % saturation (TSAT)
FE Iron, Serum
ISLETS Islet Cell Antibody Screen with Reflex to Titer [36741]
ITRACZ Itraconazole [94092]
RESR5 Respiratory Allergy Profile, Region V