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It is important to recognize that OTC medication may cause increased \u2018false-positive\u2018 5-HIAA excretion to prevent undue patient anxiety and unnecessary further investigation for carcinoid disease. Discordance between chromogranin A and 24-h urine 5-HIAA results should alert to the possibility of false-positive or -negative laboratory results.<\/jats:p>","DOI":"10.1258\/acb.2012.012041","type":"journal-article","created":{"date-parts":[[2012,10,19]],"date-time":"2012-10-19T22:45:40Z","timestamp":1350686740000},"page":"80-82","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["\u2018Sweet Dreams\u2019, \u2018Happy Days\u2019 and elevated 24-h urine 5-hydroxyindoleacetic acid excretion"],"prefix":"10.1177","volume":"50","author":[{"given":"Magnus Lars Peter","family":"Hallin","sequence":"first","affiliation":[{"name":"Department of Clinical Chemistry"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kamala","family":"Mahmoud","sequence":"additional","affiliation":[{"name":"Department of Care of the Elderly"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ananth","family":"Viswanath","sequence":"additional","affiliation":[{"name":"Diabetes Centre, New Cross Hospital, Wolverhampton, West Midlands WV10 0QP"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rousseau","family":"Gama","sequence":"additional","affiliation":[{"name":"Department of Clinical Chemistry"},{"name":"Research Institute, Healthcare Sciences, Wolverhampton University, Wolverhampton, West Midlands WV1 1SB, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2012,10,19]]},"reference":[{"issue":"4","key":"bibr1-acb.2012.012041","first-page":"iv1","volume":"54","author":"Ramage JK","year":"2005","journal-title":"Gut"},{"key":"bibr2-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.3747\/co.v17i3.484"},{"key":"bibr3-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(98)02286-7"},{"key":"bibr4-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2005.07.057"},{"key":"bibr5-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/42.4.639"},{"key":"bibr6-acb.2012.012041","first-page":"167","volume":"28","author":"Nuttall KL","year":"1998","journal-title":"Ann Clin Lab Sci"},{"key":"bibr7-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1136\/pgmj.71.839.542"},{"key":"bibr8-acb.2012.012041","volume-title":"Effects of Drugs on Clinical Laboratory Tests.","volume":"1","author":"Young DS.","year":"2000"},{"key":"bibr9-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-0142(19990901)86:5<858::AID-CNCR23>3.0.CO;2-8"},{"key":"bibr10-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9343(86)90583-8"},{"key":"bibr11-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2006.10.1535"},{"key":"bibr12-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1515\/CCLM.2011.694"},{"key":"bibr13-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1172\/JCI103558"},{"key":"bibr14-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9258(18)64972-5"},{"key":"bibr15-acb.2012.012041","first-page":"271","volume":"3","author":"Birdsall TC.","year":"1998","journal-title":"Altern Med Rev"},{"issue":"1","key":"bibr16-acb.2012.012041","first-page":"CD003198","author":"Shaw KA","year":"2002","journal-title":"Cochrane Database Syst Rev"},{"key":"bibr17-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1155\/2008\/472159"},{"key":"bibr18-acb.2012.012041","doi-asserted-by":"publisher","DOI":"10.1503\/cmaj.071569"}],"container-title":["Annals of Clinical Biochemistry: International Journal of Laboratory Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1258\/acb.2012.012041","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1258\/acb.2012.012041","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1258\/acb.2012.012041","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T12:02:39Z","timestamp":1777377759000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1258\/acb.2012.012041"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,10,19]]},"references-count":18,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2013,1]]}},"alternative-id":["10.1258\/acb.2012.012041"],"URL":"https:\/\/doi.org\/10.1258\/acb.2012.012041","relation":{},"ISSN":["0004-5632","1758-1001"],"issn-type":[{"value":"0004-5632","type":"print"},{"value":"1758-1001","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,10,19]]}}}