BurnsADKanonidouCMcNeillyJ. Misleading thyroid function tests in congenital dysfibrinogenemia. Ann Clin Biochem2024; 61: 1–6. https://doi.org/10.1177/00045632241263494
2.
TokumaruMOhbaKKashiwabaraY, et al.Falsely elevated thyroid hormone levels associated with fibrin interference in patients receiving oral anticoagulant therapy. Ann Clin Biochem2023; 60: 249–258. https://doi.org/10.1177/00045632231159280
3.
SuzukiTOhbaKAgataA, et al.Spuriously elevated free thyroxine due to fibrin interference in a patient receiving apixaban: a case report and literature review. Intern Med2026. https://doi.org/10.2169/internalmedicine.6473-25, Online ahead of print.
4.
DownesKMegyKDuarteD, et al.Diagnostic high-throughput sequencing of 2396 patients with bleeding, thrombotic, and platelet disorders. Blood2019; 134: 2082–2091. https://doi.org/10.1182/blood.2018891192
5.
KoopmanJHaverkateFGrimbergenJ, et al.Abnormal fibrinogens IJmuiden (Bβ Arg14→Cys) and Nijmegen (Bβ Arg44→Cys) form disulfide-linked fibrinogen–albumin complexes. Proc Natl Acad Sci USA1992; 89: 3478–3482. https://doi.org/10.1073/pnas.89.8.3478
6.
Tohoku Medical Megabank Organization. jMorp: Japanese MultiOmics reference Panel. [Internet]. [cited 2026 Jan 28]. Available from: https://jmorp.megabank.tohoku.ac.jp/
7.
Cabrera-ArganyÁRodríguez-Sánchez-PérezPFulgencio-GonzálezAJ, et al.An unusual presentation of falsely elevated free T4 levels in a young woman. J Appl Lab Med2025; 10: 1384–1389. https://doi.org/10.1093/jalm/jfaf056
