schizotypal personality disorder 301.22 http://purl.bioontology.org/ontology/MEDDRA/10039651 http://purl.bioontology.org/ontology/MESH/D012569 http://purl.bioontology.org/ontology/SNOMEDCT/31027006 http://purl.obolibrary.org/obo/DOID_10646 http://purl.obolibrary.org/obo/NCIT_C92632 https://en.wikipedia.org/wiki/Schizotypal_personality_disorder https://www.wikidata.org/wiki/Q861560 F21 A personality disorder that involves a need for social isolation, anxiety in social situations, odd behavior and thinking, and often unconventional beliefs. STPD StPD schizotypal disorder cluster A personality disorder