What's this test for?

This test is ideal if you're experiencing muscle weakness, cramping, irregular heartbeat, or unusual fatigue that could be linked to an electrolyte imbalance. Potassium plays a key role in how your muscles and heart function, so checking your plasma potassium level can help explain these symptoms. It's also useful if you're being monitored for conditions or medications that can affect your potassium levels.

What happens after I get my results?

Your results will show up in your account with a clear explanation of the normal range for potassium and where your value falls. If your level is outside the normal range, the report will point you toward simple next steps, like adjusting your diet or retesting to confirm the result, since sample handling can sometimes cause a false reading. You can download a standard lab report anytime, and if you test again in the future, you'll be able to track your potassium levels over time using the trends feature.

Who should consider this test?

Anyone with symptoms like muscle weakness, heart palpitations, or unexplained fatigue may want to check their potassium level. It's also worth considering if you take medications that can affect electrolytes, follow a diet with very high or low potassium foods, or have had a previous abnormal result that needs rechecking. People managing high blood pressure or kidney concerns may also find this test useful for monitoring.

What symptoms indicate I may need this test?

Common signs of a potassium imbalance include muscle weakness, cramping, tingling or numbness, irregular or fast heartbeat, and general fatigue. Some people also notice digestive issues like nausea or bloating. If you're having any of these symptoms, especially alongside heart-related concerns, checking your potassium level can provide useful information.

When will I get my results?

Results are typically ready within about a week after your sample is processed at the lab. Once ready, they'll be uploaded directly to your account, and you'll be able to view your value along with the normal reference range right away.

How can I naturally support healthy potassium levels?

Eating a balanced diet with potassium-rich foods like bananas, leafy greens, sweet potatoes, and avocados can help maintain healthy levels if you're low. Staying well hydrated and limiting excessive use of diuretics or laxatives can also help keep levels stable. If your level is high, cutting back on potassium-heavy foods and salt substitutes (which often contain potassium chloride) may help, but any big dietary changes should be done gradually while retesting to track progress.

What does high potassium mean?

A high potassium result, called hyperkalemia, can sometimes be caused by the blood sample sitting too long before testing or from red blood cells breaking apart, rather than a true elevation. If it's a real elevation, it can affect heart rhythm and muscle function, so it's worth retesting to confirm before making any changes. If you have severe symptoms like chest pain or a very irregular heartbeat, seek medical care right away.

What does low potassium mean?

Low potassium, or hypokalemia, can happen from excessive sweating, vomiting, diarrhea, or certain diuretic use, and it may cause muscle weakness or cramping. Increasing potassium-rich foods and staying hydrated can help mild cases. If levels are very low or symptoms are severe, such as significant weakness or heart palpitations, seek medical care promptly.

What causes high or low potassium readings?

False readings are surprisingly common with potassium testing. If a blood sample sits at room temperature too long or platelets rupture during clotting, it can falsely raise the result. On the other hand, having a very high white blood cell count or a very high platelet count can also skew results in either direction, which is why retesting under proper conditions is often recommended before drawing conclusions.

How often should I retest?

If your first result was abnormal, retesting within a few days to a couple of weeks is a reasonable step to confirm whether it's a true change or just a lab artifact from sample handling. If you're monitoring potassium due to diet, medication, or an ongoing health concern, checking every few months can help you track trends. Use the trends feature in your account to see how your levels change over time.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

Potassium Blood Test - Electrolyte & Heart Check

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

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