Where PAI-1 is reported
Also listed as: Plasminogen activator inhibitor-1
| Condition | Direction | Compared against | Associated symptoms | Source |
|---|---|---|---|---|
| Long COVID | ↑ elevated | healthy controls | Impaired fibrinolysis | Thomas et al. 2024 |
Frequently asked questions
In which conditions is PAI-1 altered?
In the OSMF atlas PAI-1 is reported in Long COVID. It is elevated in 1 across 1 entries.
What is the LOINC code for PAI-1?
Entries in this atlas use LOINC 3242-4. LOINC codes identify the laboratory observation so results can be compared across systems.
Is one abnormal PAI-1 result diagnostic?
No single biomarker result is diagnostic of any of these conditions. Findings reflect group averages from published cohorts with substantial overlap between patients and controls.
Cite this page
Open Source Medicine Foundation. (2026). PAI-1 across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/pai-1.html
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Last reviewed: 2026-06-29 · Browse: Biomarker Index · All marker pages · Biomarker Atlas
Disclaimer: Educational synthesis of peer-reviewed research; not medical advice. Findings are group-level and vary with study design. Discuss any result with a qualified clinician.