Ferritin levels in patients with COVID-19: A poor predictor of mortality and hemophagocytic lymphohistiocytosis.
Jonathan FeldDouglas TremblaySantiago ThibaudAlaina J KesslerLeonard NaymagonPublished in: International journal of laboratory hematology (2020)
Though many patients with COVID-19 present with hyperferritinemia, elevated ferritin levels are not accurate predictors of outcomes and do not appear to be indicative of hemophagocytic lymphohistiocytosis.