Your MCV is your mean cell volume and your MCHC is mean corpuscular hemoglobin concentration. This says that the mean cell volume is high, which means that your cells are large, the MCHC is the measure of the concentration of hemoglobin in the sample. Don't read too much into this. Your white count is normal as is your hemoglobin. Your platelets look good too. These are the things to focus on. This lab tech says don't stress over the indicies. They can be effected just by proper mixing of the sample. You are fine.
Are you vegetarian? That can cause an anemia such as pernicious anemia, did they check your B12 level, folate and iron levels? Other things that can cause High MCV levels are celiac disease, chrons disease, alcholism, liver problems and gasterointestinal surgery. Are you very fatigued? Did they say that your red blood cells looked large?