My 3-year-old cat's creatinine is high. Is it kidney disease?

Question

Some pre-anesthesia bloodwork for what was supposed to be a routine dental cleaning showed that my 3-year-old cat's creatinine levels were elevated beyond the normal range by .1 point. Everything else was normal, including BUN. They are doing more bloodwork in a few weeks, but I am so worried. Is this a serious red flag? He did throw up the week before the cleaning, so I had been giving him meat-based baby food up until the day of the bloodwork, which has helped his stomach in the past. Pet's info: Cat | Domestic Shorthair | Male | neutered | 13 lbs

Megan, DVM, CVA · Accepted Answer

Poor Robin Hood. Chances are that he doesn't have true kidney disease at his age. I would stop feeding the canned meat and try to just feed him cat food until his next recheck. If his values are still elevated at his next recheck, I would ask the vet about checking his urine specific gravity to see if the kidney elevations are from the kidneys themselves or some other cause. Also, with them just being right above normal, this could be his "normal" if he is a muscular cat. Your vet should also be able to sent off a test called an SDMA to help determine if this is truly kidney related. Finally, if they truly believe it is due to his kidneys, I would have an abdominal ultrasound done to see what his kidney look like. I would be worried that he may have polycystic kidney disease if he is showing signs of kidney disease at this young age. I know it is hard not to do but I wouldn't get too worked up quite yet. I think the values need to be recheck and more information needs to be gathered before we know for sure. I hope this helps!

My 3-year-old cat's creatinine is high. Is it kidney disease?

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