Special Stain, Phosphotungstic Acid-Hematoxylin (PTAH) SSB (La) (ENA) Antibody, IgG Special Stain, Reticulin ssDNA Antibody, IgG Streptococcus pneumoniae Antigen, Urine Synthetic Cannabinoid Metabolites, Screen with Reflex to Confirmation, Urine Streptococcus pyogenes, Group A Antibody (Streptozyme) Titer (Reflex for 0050642 STZ R Only Not orderable by Clients) Systemic Scleroderma Comprehensive Panel Streptococcus pyogenes, Group A Antibody (Streptozyme) with Reflex to Titer Systemic Sclerosis Panel Streptolysin O Antibody (ASO) Striated Muscle Antibodies, IgG with Reflex to Titer Strongyloides Antibody, IgG by ELISA, Serum Strychnine, Serum or Plasma Substance P, EIA Succinylacetone, Quantitative, Urine Sulfate, Urine Sulfate-3-Glucuronyl Paragloboside (SGPG) Antibody, IgM Sulfhemoglobin Quantitative, Whole Blood Sulfonamides (Sulfas)