The MCHC is not meaninful unless the hemoglobin is low.
Dizziness can be for a number or reasons.
Anemia: you have not stated there is any lab that shows you are anemic.
Inner ear problems.
Metabolic problems such as hyperthyrodism.
Problems with the nervous system.
Your doctor needs to examine you along these lines.
And run a full CBC
as well as do any other testing as indicated by exam.
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