• 8291 MACADAMIA IGE
• 6641 MACROPROLACTIN
• 5301 MAG Antibody, IgG
• 2025 MAGNESIUM
• 2225 MAGNESIUM W/CREATININE, URINE Random
• 6158 MAGNESIUM, RBC
• 2072 MAGNESIUM, URINE 24 HOUR
• 3116 MAGNESIUM, WHOLE BLOOD
• 6255 Magnesium-Total, RBCs
• 1028 MALARIA & PARASITES, BLOOD SMEAR
• 8376 MALT IGE
• 3093 MANGANESE, BLOOD
• 3094 MANGANESE, PLASMA
• 8368 MANGO IGE
• 7720 MAPLE BOXELDER IGE
• 8377 MARSH ELDER (ROUGH) IGE
• 6645 MDMA, URINE
• 8302 MEADOW FESCUE IGE
• 8378 MEADOW FOXTAIL IGE
• 7776 MEADOW GRASS (KENTUCKY BLUE) IGE
• 6196 MEASLES (RUBEOLA) AB IGG
• 2362 MELATONIN, SERUM/PLASMA
• 8345 MELON IGE
• 1765 MEPERIDINE SCREEN, URINE
• 6651 MEPHEDRONE, MDPV, METHYLONE
• 5073 Mercury, Blood
• 5807 MERCURY, SERUM/PLASMA
• 6108 MERCURY, URINE
• 8379 MESQUITE IGE
• 5139 METALS PANEL 1, RBCS
• 6200 METANEPHRINES, FRAC, QN, 24-HR
• 5218 METANEPHRINES, FRAC., PL. FREE
• 6757 METHADONE (DOLOPHINE), SERUM
• 8247 METHADONE CONFIRMATION, URINE
• 6063 METHEMOGLOBIN + SULFHEMOGLOBIN
• 6236 METHYLDOPA, SERUM/PLASMA
• 5182 METHYLMALONIC ACID, SERUM
• 3028 METHYLMALONIC ACID, URINE
• 5244 METHYLPHENIDATE, SERUM/PLASMA
• 8917 MI-2 ANTIBODIES
• 2107 MICROALBUMIN, 24 HR URINE
• 2108 MICROALBUMIN, RANDOM URINE
• 4047 MICROSPORIDIA STAIN
• 7737 MILK IGE
• 4003 MIN INHIBITORY CONC (1 DRUG)
• 6602 MITOCHONDRIAL (M2) ANTIBODY
• 6018 MITOCHONDRIAL AB, IFA
• 1065 MIXING STUDIES
• 1230 Monkeypox (Orthopoxvirus), PCR
• 1302 MOSQUITO IGE
• 8631 MOTOR SENSORY NEUROPATHY II
• 8366 MOUNTAIN CEDAR IGE
• 8334 MOUSE EPITHELIUM IGE
• 8335 MOUSE SERUM PROTEINS IGE
• 8336 MOUSE URINE IGE
• 3978 MTHFR
• 8381 MUCOR RACEMOSUS IGE
• 8359 MUGWORT IGE
• 8367 MULBERRY IGE
• 5420 MUMPS ANTIBODIES, IGM
• 5419 MUMPS VIRUS AB IGG
• 8957 MUSHROOM IGE
• 7778 MUSTARD IGE
• 1297 MUTTON IGE
• 5317 MYASTHENIA GRAVIS PANEL W/RFLX
• 6598 MYCOPHENOLIC ACID AND METABO.
• 6525 MYCOPLASMA PNEU. IGG/IGM ABS
• 6405 MYCOPLASMA PNEUMONIAE, IGG AB
• 6373 MYCOPLASMA PNEUMONIAE, IGM AB
• 8500 MYELOPEROXIDASE AB
• 6067 MYOGLOBIN, SERUM
• 6105 MYOGLOBIN, URINE