Hello doc, recently took blood test for cbc ,esr,
calcium,
crp, iron +tibc, magnesium, phosphorus,
vitamin d,
vitamin b12,
ferritin, folic acid. everything is normal except in cbc my RBC is 4.48 and MCH is 32.1 and MCHC is 35.9 and RDW is 15.1. which is high according to the range mentioned. what causes this please clarify on this. and my vit D is also low which is 20.