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We conducted a national multicentre cross-sectional point-prevalence survey across tertiary referral hospitals from all seven geographical regions of T\u00fcrkiye. Adult inpatients present at 08:00 on a predefined index day were assessed for predefined HIV testing indications, including AIDS-defining conditions, indicator conditions associated with an expected undiagnosed HIV prevalence\u2009\u2265\u20090.1%, and conditions in which unrecognised HIV could substantially affect clinical management. Among 3,425 hospitalised adults without known HIV infection, 699 (20.4%) had at least one documented HIV testing indication. HIV testing was requested by the primary clinical team in 424\/699 patients (60.7%). Testing was lowest in patients with indicator conditions associated with an expected undiagnosed HIV prevalence\u2009\u2265\u20090.1%, and these conditions were independently associated with higher odds of non-performance of HIV testing by the primary clinical team than AIDS-defining conditions (corresponding adjusted odds ratio [aOR] 3.05, 95% confidence interval [CI] 1.67\u20135.81). In centres with a specialised HIV outpatient clinic, the odds of non-performance of HIV testing by the primary clinical team were independently lower among patients with an appropriate testing indication (corresponding aOR 0.64, 95% CI 0.43\u20130.95). Following study-team facilitation, overall testing coverage increased to 677\/699 (96.9%). Three reactive screening results were identified, including two confirmed new HIV diagnoses. HIV testing indications were common among hospitalised adults in T\u00fcrkiye, but non-performance of HIV testing by the primary clinical team remained frequent, particularly for non-AIDS indicator conditions. Strengthening indicator-condition-guided testing through structured clinical pathways and institutional HIV expertise may reduce non-performance and support earlier HIV diagnosis.<\/jats:p>","DOI":"10.1038\/s41598-026-54294-6","type":"journal-article","created":{"date-parts":[[2026,5,30]],"date-time":"2026-05-30T10:43:55Z","timestamp":1780137835000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Missed Opportunities for HIV Testing in Hospitalised Adults in T\u00fcrkiye: Indicator Conditions and Testing Coverage in a National Multicentre Point-Prevalence Survey 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