Functional IDIDIDAACDIDA + ACDIRIDAHbnormalnormallowlowlowlowMCV & MCHnormalnormallowlow-Nloewv. lowFerritin (mcg/L)normallow (< 30)low (< 30)N or highN (up to 100)variableTFS(15 - 45 %)low-normallow-N / lowlowlow-Nlow-NlowSerum iron (10 - 30 mmol/L)low-normallowlowlowlowlowA ferritin < 30 mcg/L in the adult = iron deficient. Ferritin 30-100 may represent ID if there is coexisting inflammatory disease; while ferritin greater than the upper limits … Continue reading Interpreting Lab Tests of Iron Status