Serum Ferritin Interpretation Guidelines for AdultsInterpretation of Ferritin in Healthy Adults Without InflammationAdjusted Ferritin Thresholds in the Presence of Inflammation or Chronic DiseaseTarget Ferritin Levels for Hemochromatosis ManagementFerritin and Transferrin Saturation Targets in Chronic Kidney Disease on DialysisRecognizing Functional Iron Deficiency Despite Elevated FerritinPractical Screening Algorithm for Iron Deficiency in AdultsUpper‑Limit Concerns and Evaluation for Iron Overload