Welcome to HCM
You are diabetic for >20 years and post CABG, keep your diabetes
under good control as long term complications may occur one of them is Nephropathy but at present your creatinine
level is normal but there is microalbumin
in urine .
There are ACE inhibitor
drugs which are useful in reducing albumin excretion may be considered even if BP is normal. Discuss with treating Physician.
Avoid taking any nephrotoxic drug like analgesics.
Regular walking and take care of Diet.
Good Luck to you