| INFG | Interferon Gamma | 
                
                    | INHA | C1 Esterase Inhibitor Autoantibody | 
                
                    | INHF | C1 Esterase Inhibitor Function Chromogenic | 
                
                    | IRON | Iron, serum | 
                
                    | K | Potassium | 
                
                    | LANTI | Lymphocyte Proliferation to Candida and Tetanus Antigens | 
                
                    | LAVTB | Broncheoalveolar Lavage Immunophenotyping | 
                
                    | LCAND | Lymphocyte Proliferation to Candida Antigen | 
                
                    | LCONA | Lymphocyte Proliferation to Con A Mitogen | 
                
                    | LDH | Lactate Dehydrogenase | 
                
                    | LIL10 | IL-10 by Luminex | 
                
                    | LIL2 | IL-2 by Luminex | 
                
                    | LIL4 | IL-4 by Luminex | 
                
                    | LIL5 | IL-5 by Luminex | 
                
                    | LIL6 | IL-6 by Luminex | 
                
                    | LIPID | Lipid Panel | 
                
                    | LIPOA | Lipoprotein (a) | 
                
                    | LIVER | Hepatic Function Panel | 
                
                    | LMITO | Lymphocyte Proliferation to PHA, ConA, PWM | 
                
                    | LNP | Lupus Nephritis Panel | 
                
                    | LPHA | Lymphocyte Proliferation to PHA Mitogen | 
                
                    | LPWM | Lymphocyte Proliferation to PWM Mitogen | 
                
                    | LSTIM | Lymphocyte Proliferation to Mitogens and Antigens | 
                
                    | LTET | Lymphocyte Proliferation to Tetanus Antigen | 
                
                    | LYTES | Electrolytes | 
                
                    | MEMB | Memory B Cells | 
                
                    | MFAEN | Precipitin Micropolyspora Faeni | 
                
                    | MG | Magnesium | 
                
                    | MPO | Anti-Myeloperoxidase antibody IgG | 
                
                    | MT | Eosinophil Cationic Protein | 
                
                    | MYOS | Myositis 17  Antigen Panel | 
                
                    | NA | Sodium | 
                
                    | NAEOS | Nasal Eosinophils | 
                
                    | NBT | Neutrophil Oxidative Burst Assay by Nitroblue Tetrazolium (NBT) Dye Reduction | 
                
                    | NILPT | Lymphocyte Proliferation to Nickel | 
                
                    | NKMK | CD16/56 | 
                
                    | NTBNP | NT-proBNPII | 
                
                    | NTM3, NTM5 and MTB6 | Menu of Individual Drug Testing for Acid Fast Bacilli | 
                
                    | OAP | Ova and parasites | 
                
                    | NAAT or AFB2c (Old code: AFB2) | Nucleic Acid Amplification Test (NAAT) for M. tuberculosis from clinical specimens | 
                
                    | PARDR | Precipitin Parakeet Droppings IgG | 
                
                    | PARRD | Precipitin Parrot Droppings IgG | 
                
                    | Alternative Complement Pathway Activity (AM50) | Alternative Complement Pathway Activity (AM50) | 
                
                    | PCDIF | C. difficile Toxin PCR | 
                
                    | PCMV | CMV PCR- whole blood | 
                
                    | PCT | Procalcitonin | 
                
                    | PHENO | Appropriate phenotypic susceptibilities for antimicrobial susceptibility testing of Acid Fast Bacilli | 
                
                    | PHOS | Phosphorus | 
                
                    | PHSV | Herpes Simplex Virus (HSV) by PCR | 
                
                    | PIGED | Precipitin Pigeon Droppings IgG |