It is possible to have an autoimmune disease with normal C-reactive protein levels
the verdict
SUPPORTED
the evidence backs this
confidence 75/100
It is well-established in clinical practice that C-reactive protein (CRP) levels can remain entirely normal in patients with certain autoimmune conditions, as CRP elevation depends heavily on the specific disease type and inflammatory profile.
Evidence for · 2
Utility of ANA in hospitalized patients with headache and suspected systemic autoimmune disease.
2026 · cited by 0
This study evaluates autoimmune and rheumatologic conditions and notes that C-reactive protein levels frequently lack diagnostic utility or elevation outside of specific subtypes like vasculitis.
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More for · 1
Severe Hyperferritinemia in Metabolic Dysfunction-Associated Steatotic Liver Disease With Normal Transferrin Saturation and Polyclonal Hypergammaglobulinemia Mimicking Iron Overload.
2026 · cited by 0
This clinical case report documents an autoimmune and inflammatory evaluation where C-reactive protein levels remained entirely normal.