Would eating before a blood test cause a slightly higher potassium level?

Meals and potassium. Your potassium (k) level is dependent on various factors. Some are, any presence of chronic kidney disease (ckd), if the rbc's in the blood were broken going into the test tube, how long the blood was in the tube before the k level was done and how long before the test you ingested and the and the amount of k you ate. Speak to the doctor (d) who ordered the test and ask the d if you have any ckd.
How much higher? Depending on the foods you ate there may be a minor difference. What was the actual potassium level? Please note that all lab results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that.

Related Questions

What is the problem with having high potassium level in blood test report?

Heart arrhythmias. The most concerning side effect of having too high potassium in your blood is the possibility of developing heart rhythm disturbances, some of which can be life-threatening. A slightly elevated potassium level will not cause this, but you want to make sure that it is not trending upward into a dangerous zone. Read more...

During a recent blood test my potassium level was 3.3. My doctor did not mention it and said my blood work was normal. Should I be concerned?

Not necessarily ... Unless you have symptoms like cramps or weakness. You can replace it by natural sources such as bananas, oranges, tomatoes, etc. Also if you have water pill intake, your doctor may need to put you in a daily potassium replacement. Read more...

Potassium level is high from blood test for my 80year father who has parkinson, what can we do to lower potassium?

HIgh potassium level. You need to have your father's kidney function evaluated by having a 24 hour urine for creatinine clearance and protein done as well as having a renal ultrasound done to see the size and morphology of his kidneys. At 80 years, his renal function would not be normal. It could be worse if had diabetes and hypertension. His high potassium level could be a sign of renal disease. Go to a nephrologist. Read more...

I am worried about my blood test result. Potassium level 5.9 mmol/l (two weeks later 5.8 mmol/l.How to reduce serum potassium level in blood? Tanks!

High potassium level. To answer your question properly about lowering your potassium (k) level, you need to know why it is elevated. Do you have chronic kidney disease? Are you taking nsaid's, such as ibuprofen? Are you are drugs that a cause the k level of the blood to increase? See a physician and you may be able to find the cause and a resolution to your problem of high k levels. Read more...
May be due to meds. You need to review your medication. Some medications such as ace inhibitors used to treat high blood pressure can cause high potassium. Eat less fruits and vegetables. See your doctor. Read more...