178PACS1 Related Syndrome (Genetic Disorder)
179Paroxysmal Kinesigenic Dyskinesia (原發性陣發性動作型運動不良症)
180Paroxysmal Nocturnal Hemoglobinuria (PNH) (陣發性夜間血紅素尿症)
181Pemphigus Vulgaris (天皰瘡)
182Persistent Hyperplasia of Primary Vitreous (PHPV) (持續增生性原始玻璃體症)
183Peutz-Jeghers Syndrome (PJS) (黑斑息肉症候群)
184Phakomatosis Pigmentovascularis (PPV) (色素血管性母班症)
185Phenylketonuria (PKU) (苯丙酮尿症)
186Phosphatase and Tensin Homolog (PTEN) (Genetic Disorder) (磷酸酯酶與張力蛋白同源物) (基因病變)
187Pierre Robin Syndrome (PRS) (皮爾羅賓症侯群 )
188Pitt-Hopkins Syndrome (皮特-霍普金斯症候群)
189Polymyositis (多發性肌炎)
190Prader-Willi Syndrome (PWS) (小胖威利症)
191Primary Ciliary Dyskinesia (PCD) (先天性纖毛運動障礙症)
192Primary Hyperoxaluria Type 1 (PH1) (原發性高草酸尿症1型)
193Primary Immunodeficiency (PID) (原發性免疫缺陷病)
194Primary Pulmonary Arterial Hypertension (肺動脈高壓)
195Progressive Pseudorheumatoid Dysplasia (PPD) (進行性假性類風濕性骨發育不良症)
196Propionic Acidemia (丙酸血症)
197PTEN Hamartoma Tumor Syndrome (PHTS) (PTEN過誤腫症)