Parasitology Stain by Modified Acid-Fast Parvovirus B19 by Quantitative PCR Pentobarbital, Serum or Plasma Parvovirus B19, by PCR, Bone Marrow Perampanel Quantitative, Serum or Plasma PAX2 by Immunohistochemistry Periodic Fever Syndromes Deletion/Duplication, 6 Genes PAX3-FOXO1 and PAX7-FOXO1 Translocations by RT-PCR (Inactive as of 11/14/16. Refer to 2001497) Periodic Fever Syndromes Panel, Sequencing (7 Genes) and Deletion/Duplication, (6 Genes) Pax-5 by Immunohistochemistry PAX8 by Immunohistochemistry Parechovirus Detection by PCR PAX8-PPARG Translocations Detection by PCR Paroxetine Quantitative, Serum or Plasma PCA3 – Prostate Cancer Biomarker by Transcription-Mediated Amplification Paroxysmal Nocturnal Hemoglobinuria (PNH), High Sensitivity, RBC and WBC PD-1 by Immunohistochemistry Paroxysmal Nocturnal Hemoglobinuria, High Sensitivity, RBC PDGFRB FISH for Gleevec Eligibility in Myelodysplastic Syndrome/Myeloproliferative Disease (MDS/MPD) Paroxysmal Nocturnal Hemoglobinuria, High Sensitivity, WBC