NCIthesaurus obsessive-compulsive personality disorder Anankastic personality disorder SNOMEDCT_US_2025_09_01:191761001 DOID:10932 MESH:D003193 UMLS_CUI:C0009595 ICD10CM:F60.5 ICD9CM:301.4 NCI:C92638 A personality disorder that is characterized by a pervasive pattern of preoccupation with orderliness, perfectionism, and mental and interpersonal control at the expense of flexibility, openness, and efficiency. OCPD disease_ontology personality disorder