A member asked:

Is serum ferritin too low? 12 ug/l range 12-250ug/l serum folate 19.7 range 4-20ug/l b12 721 range 130-800ng/l serum c r protein <1 range < 7.00mg/l

A doctor has provided 1 answer
Dr. Jay Park answered

Low: Ferritin level less than 40 is generally consistent with iron deficiency. It's very likely your doctor will request more tests to determine the cause of low iron count. The rest of the tests are within normal limits.

Answered 11/20/2018

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