As you are a hypertensive patient and on regular medication; few parameters may fluctuate but as you mentioned nothing much significant noted in your blood reports.
For raised RBC counts requires
complete blood count (CBC report) to evaluate further.
Next Steps
Avoid taking high phosphorus food items like banana etc.
Also stop taking any
calcium supplements as may contain phosphorus.
Health Tips
Check your bp regularly if much fluctuation, may consult to review your treatment.