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LDH (Lactate dehydrogenase): biomarker evidence

LDH (Lactate dehydrogenase) appears in 1 entry of the OSMF biomarker atlas, covering Long COVID. Across those entries it is elevated in 1. It is currently reported in a single condition in this atlas; cross-condition comparison will be added as the dataset grows. Each row below links to a page with the comparison group, associated symptoms, test details and primary citation.

Long COVID

Where LDH (Lactate dehydrogenase) is reported

Also listed as: Tissue damage marker

ConditionDirectionCompared againstAssociated symptomsSource
Long COVID↑ elevatedhealthy controlsTissue injuryKallaste et al. 2025

Frequently asked questions

In which conditions is LDH (Lactate dehydrogenase) altered?

In the OSMF atlas LDH (Lactate dehydrogenase) is reported in Long COVID. It is elevated in 1 across 1 entries.

What is the LOINC code for LDH (Lactate dehydrogenase)?

Entries in this atlas use LOINC 2532-0. LOINC codes identify the laboratory observation so results can be compared across systems.

Is one abnormal LDH (Lactate dehydrogenase) 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). LDH (Lactate dehydrogenase) across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/ldh-lactate-dehydrogenase.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.