Storage form of iron. Better marker of iron status than serum iron. Target 50, 150 ng/mL. Low ferritin shows up as fatigue and hair shedding before anemia.
● Issue Jun 2026
Glossary
SYSTEMM · 1 min read
06·29·2026
Iron, ferritin
Storage form of iron. Better marker of iron status than serum iron. Target 50, 150 ng/mL. Low ferritin shows up as fatigue and hair shedding before anemia.