Cystic Fibrosis (CFTR) Deletion/Duplication Cytogenomic SNP Microarray – Fetal Cystic Fibrosis (CFTR) Sequencing Cystic Fibrosis (CFTR) Sequencing with Reflex to Deletion/Duplication Cystic Respiratory Culture Cyclic Citrullinated Peptide (CCP) Antibody, IgG Cysticercosis Antibody, IgG by ELISA Cyclin D1, SP4 by Immunohistochemistry Cysticercosis Antibody, IgG by ELISA (CSF) Cyclobenzaprine Quantitative, Serum or Plasma Cystine Quantitative, Urine Cyclobenzaprine Quantitative, Urine Cystinuria Panel Cyclosporine A by Tandem Mass Spectrometry Cytochrome P450 2C19, CYP2C19 – 9 Variants Cyclosporine A, 2-Hour Post Dose (C2) by Tandem Mass Spectrometry Cytochrome P450 2C9, CYP2C9 – 2 Variants CYFRA 21-1 (Cytokeratin 19 Fragment), Serum Cytochrome P450 2D6 (CYP2D6) 14 Variants and Gene Duplication Cytokine Panel, TH1