Normal
creatinine range according to most of the labs is 0.6 to 1.2 mg/dL.
Your father's creatinine is slightly above the normal acceptable limits, which means there is some issue going on in his kidneys which is in the early stage.
Urine test for protein and
albumin can be normal in certain conditions where still problems exist within the
kidney.
Bottom-line
Creatinine of 1.28 is slightly abnormal
Is it a thing to worry ?
Absolutely Not
Sometimes even dehydration can cause slightly elevated creatinine
Next Steps
Do a USG KUB
Ophthalmology screening for retina status
Follow up the
creatinine serially once a month for next two months.
Health Tips
Be on regular follow up with your doctor