Summary
| Direction in Osteoarthritis | ↑ Elevated — higher than in the comparison group |
|---|---|
| Category | Musculoskeletal |
| Compared against | knee OA vs healthy controls |
| Source | Cheng et al. 2020 — doi:10.1177/1947603518798884 |
| Condition atlas | Osteoarthritis Biomarker Atlas |
Related Musculoskeletal markers in Osteoarthritis
Full list: Osteoarthritis Biomarker Atlas.
Frequently asked questions
Is Urinary CTX-II high or low in Osteoarthritis?
Elevated. Studies summarised in the OSMF atlas report higher Urinary CTX-II in Osteoarthritis than in the reference group of the cited comparison (knee OA vs healthy controls). Source: Cheng et al. 2020.
Which test measures Urinary CTX-II?
The atlas record does not list a standardised clinical test code (LOINC) for Urinary CTX-II, which usually means it was measured with research assays or study-specific protocols rather than a routine clinical panel. Check the cited source for the exact method.
Is one abnormal Urinary CTX-II result diagnostic of Osteoarthritis?
No. No single biomarker is diagnostic of Osteoarthritis. Urinary CTX-II findings come from group comparisons, overlap considerably between patients and controls, and vary with study design, timing and comparison group. A result should be interpreted by a clinician alongside symptoms, history and other tests.
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Last reviewed: 2026-07-03 · Page generated from osteoarthritis.json · Browse: Osteoarthritis atlas · Biomarker Index · All marker pages
Disclaimer: This page is an educational synthesis of published, peer-reviewed research and is not medical advice. Biomarker findings vary across studies with case definitions, comparison groups, timing and assay methods. Direction of change reflects the predominant finding in the cited source and does not establish a diagnostic threshold. Discuss any test result with a qualified clinician.