S-Adenosylmethionine and S-Adenosylhomocysteine S-Phenylmercapturic Acid S-PMA S-sulfocysteine s-TSH Sabril Saccharomyces cerevisiae Antibody SAH Salicylate Salivary Cortisol SAM Sandimmune SAP SAP Protein Expression Scabies Identification Schistosoma Scl-70 Scleroderma/Systemic Sclerosis Profile Scrub Typhus Serology Sedimentation Rate Selenium Semen Analysis Sensitive TSH Serotonin, Blood Serotonin, Urine Serum Folate Sex Hormone Binding Globulin SHBG Shingles Sialic Acid, Total and Free Sickle Cell Screen Silver - Blood Silver Erythrocytes Silver RBC Silver Red Blood Cells Sinequan Sirolimus Skeletal Muscle Antibody Sjogren's Syndrome Profile Skin Antibodies Sm Smooth Muscle Antibody SmRNP Solid Organ Biopsy Antibody Monitoring Solid Organ Transplant Antibody Monitoring Solid Organ Transplant Recipient Retyping Solid Organ Transplant Donor Typing Solid Organ Transplant Testing - New Patient Sodium Nitroprusside Sodium - Blood Sodium - Blood for VHF Testing only Sodium - Fluid Sodium, Fractional Excretion Sodium - Stool Sodium - Urine Somatastatin Somatomedin-C Somophyllin Sorted T Cells Specific Gravity - Fluid Specific Gravity - Urinalysis Specific Gravity - Urine SPEP S-Phenylmercapturic Acid Spinal Muscular Atrophy Molecular Testing Spinocerebellar Ataxia Molecular Testing Sporadic Creutzfeld-Jakob Disease SS-A/Ro-60 SS-B/La Staphylococcus (MRSA) Staphylococcus aureus Carrier Statin Related Myopathy Stem Cells Sterility Testing Stone Analysis Stool for Fat Stool for Leukocytes (WBC) Stool for Reducing Substances Stool for Wright's Stain Stool Occult Blood Stool Toxin Streptocerciasis Streptolysin O Titre Strontium Succinylcholine Sugar Chromatography Sugar Identification, Chromatography Sulfatide Antibody Sulfatide Autoantibody Sulfite Sulfonylurea Hypoglycemic Serum Sulfonylureas Sulfur Surmontil SV40 Sweat Chloride Sweat Test Synovial (Joint) Fluid Analysis - Crystals Syphilis - Blood Syphilis, Prenatal - Blood Systemic Lupus Profile
