need exact value for creatinine
You may want to ask for a readout of the result so that you would know the exact value. In addition the lab forms would have the reference range for that particular lab so that you could compare the value.
Greater than 90 could mean anything over 91, there is no way to say how high it is.
Creatinine can up to thousands in some persons.
The exact value would determine if there is any issues with the kidneys.
Swelling in the ankles may not necessarily be related to the kidneys. It can occur with venous disease
, side effect of medication, due to trauma, heart and liver
Venous disease is common with aging, the blood is retained in the veins instead of going up to the heart efficiently. It is not life threatening in any way, only irritating because of the swelling and discomfort.
Normally varicose veins
may be seen and the swelling resolves when the feet are elevated.