272.0 - Pure hypercholesterolemia
785.1 - Palpitations
780.4 - Dizziness and giddiness
Hope this helps!
I saw in your feedback that you were asking about the significance of the diagnosis of dizziness and giddiness (a reeling sensation). The most common cause of this diagnosis is circulatory problems, but it can be due to various other factors. Oftentimes, the cause is difficult to pinpoint. Only your physician might know for sure. You can read more here.