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Creatinine Clearance
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Lactose Tolerance (Blood)
LDL Cholesterol
Lead (Blood)
Lipase
Lipid Panel with Non-HDL Cholesterol
Lipoprotein(a) Cholesterol
Lipoprotein-Associated Phospholipase A2
Lithium
Luteinizing Hormone (Blood)
Magnesium (Blood)
Mercury (Blood)
Metanephrines (Blood)
Methylmalonic Acid (Blood)
Myoglobin (Blood)
Pancreatic Polypeptide
Parathyroid Hormone
Proinsulin (Blood)
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Salicylate (Blood)
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Thyroid Antithyroglobulin Antibody
Thyroid-Stimulating Hormone
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