Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Renal Tubular Acidosis ?
    ### Response:
    To diagnose RTA, doctors check the acid-base balance in blood and urine samples. If the blood is more acidic than it should be and the urine less acidic than it should be, RTA may be the reason, but additional information is needed to rule out other causes.
    