<p><b>Case 5 - Further Tests</b></p>
<p>Plasma folate assay       :  Normal.</p>
<p>Mean Cell Volume (MCV)    :  106fl (macrocytic) Normal value   :  86 ± 10fl</p>
<p>Serum folate 9.4 microg/l/ ( 3.0 — 15.0) and</p>
<p>Serum vitamin B12 750 ng/ml (160 — 925).</p>
<p>Normal blood film<br>
Blood film showing macrocytic red blood cells
</p>