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Creatinine Level and Spleen Size Okay?

I went to my doctor for follow-up on blood tests and abdominal ultrasound results. Everything appeared normal except for a small gallstone. My question is, "Should I be concerned about my blood Creatinine levels of 1.2?" The lab reference shows normal range to be between 0.6 and 1.3, which puts me in the upper normal range. Does this mean I am progressing to renal failure issues? My BUN was in the average normal numbers of 16 and GFR was over 60. I am taking medication rantidine for GERD, which I found out can cause Creatinine elevations; I also do intense pull-up exercises at least twice a week, and I have also come across that anaerobic exercises may increase Creatinine levels. Is this true?

Also the ultrasound report says my spleen is 12.1 cm, and that it is in the upper limits of normal. Should I be concerned about this, since it is also borderline of being over the size limit? I have come across sources that say with an ultrasound the upper size limit is 13 cm, not 12 cm.

My doctor did not seem concerned at all of any results.
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4610897 tn?1393865602
MEDICAL PROFESSIONAL
Hello. thank you for your question.

A GFR>60 indicates normal renal function. Some patients have high normal serum creatinine for a number of reasons including age and increased muscle mass. This does not indicate impending renal failure.

In regards to spleen size, it may indicate a hematologic problem. If your spleen was enlarged you could ask your physician to perform a complete blood count (CBC). However, that is not indicated if your spleen size is within normal range.

And yes, dehydration could potentially affect Creatine level results.

Thank you,
Dr. S
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Avatar universal
By the way, forgot to add that I fasted before blood test, having nothing to eat or drink past 10 pm the night before and my test was around 11:30 am the day after. Can lack of fluid intake this long also affect Creatinine level results? Thanks.
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