Where Neopterin is reported
Also listed as: Immune activation marker
| Condition | Direction | Compared against | Associated symptoms | Source |
|---|---|---|---|---|
| Gulf War Illness | ↑ elevated | healthy Gulf War veteran controls | Cell-mediated immune activation | Gean et al. 2021 |
Frequently asked questions
In which conditions is Neopterin altered?
In the OSMF atlas Neopterin is reported in Gulf War Illness. It is elevated in 1 across 1 entries.
What is the LOINC code for Neopterin?
Entries in this atlas use LOINC 3254-0. LOINC codes identify the laboratory observation so results can be compared across systems.
Is one abnormal Neopterin 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). Neopterin across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/neopterin.html
Get OSMF research updates. New biomarker, trial and treatment evidence summaries by email.
Subscribe on Substack
Subscribe on Substack
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.