Rbc 5.20 high, hemogobin13.1, hematocrit 42.8, mcv 82.3, mch 25.2 low, mchc 30.6 low, rcdw 15.1 low doctor says there is no need for an iron panel as he says hemoglobin is not low so he says it cant be iron defiency, but why are so many tests off?

Familiarity with E C: Most clinical laboratories now use automated machines to perform blood counts (commonly called CBC) that include red cell indices as part of the profile.Automated cell counters are fast, convenient, and precise, certain conditions can interfere with machine calculations and result in spurious values. It is important that clinicians become familiar with the more common causes of spurious results .