Why Private MD Labs?
90-day money-back guarantee Lab order in minutes Save a trip to the doctor Low prices since 2005 Labs within 2 miles
Sample image
Sample report
Beta-2 Microglobulin test for kidney function monitoring and early disease detection

Blood Test for Kidney Function and Fatigue

Beta-2 Microglobulin, Serum

Google
3,138 reviews
  • Reveal kidney function issues early
  • Pinpoint causes of unexplained fatigue
  • Assess your immune system's health
First results as soon as overnight*

90 day happiness guarantee

We stand behind our service

Prescription & fees included

Go directly to the lab, no extra fees

Easy to understand results

With friendly doctor's notes & guidance

Fast & convenient

Lab visit as quick as 10 mins in & out

90 day happiness guarantee

We stand behind our service

Prescription & fees included

Go directly to the lab, no extra fees

Easy to understand results

With friendly doctor's notes & guidance

Fast & convenient

Lab visit as quick as 10 mins in & out

What's this test for?

This test is ideal if you're experiencing unexplained fatigue, have a family history of kidney disease, or need to monitor kidney function. It helps identify early signs of kidney problems, assess immune system health, and is especially important for transplant recipients to detect potential rejection early. Many people use this test when they have symptoms like persistent tiredness or when monitoring chronic conditions affecting the kidneys.

How should I prepare for this test?

No special preparation is typically required for this blood test. You can take your regular medications and eat normally before the test. However, it's always a good idea to stay well-hydrated and inform the lab if you're taking any medications or have any medical conditions.

What's included in this test?

Beta 2 Microglobulin, Serum

This test measures Beta-2 Microglobulin in your blood, which is a protein that passes through your kidneys and serves as an important marker of kidney filtering function. When kidney function declines, this protein builds up in the blood, making it valuable for early detection of kidney problems, monitoring transplant health, and assessing certain immune system disorders and inflammatory conditions.

What happens after I get my results?
You'll receive detailed doctor notes in simple language explaining what your Beta-2 Microglobulin levels mean for your kidney function and overall health. These notes include personalized recommendations like lifestyle changes, dietary adjustments, or when to follow up with a specialist. You'll also get the standard lab report and can track your levels over time using our trends feature to monitor your kidney health, especially helpful if you're managing a chronic condition or post-transplant.
When will I get my results?
Results are typically available within 1-3 business days after your blood sample reaches the laboratory. You'll receive an email notification as soon as your results are ready to view securely online. More complex cases may occasionally take a bit longer for complete analysis.
Who should consider getting this test?
This test is important for people with kidney disease or at risk for kidney problems, those with autoimmune conditions like lupus or Sjögren's disease, and transplant recipients monitoring for organ rejection. It's also useful for individuals exposed to heavy metals, those experiencing unexplained fatigue that might be kidney-related, or anyone with a family history of kidney disorders who wants to establish baseline kidney function.
What symptoms indicate I may need this test?
Common symptoms include persistent fatigue that doesn't improve with rest, changes in urination patterns, swelling in your legs or ankles, and unexplained weakness. You might also consider this test if you have unexplained weight loss, poor appetite, or if you're experiencing symptoms related to immune system problems like frequent infections or inflammatory conditions.
How can I naturally support my kidney health?
Staying well-hydrated by drinking plenty of water throughout the day is crucial for kidney function. Limit your intake of processed foods, excess salt, and foods high in phosphorus, while eating more fresh vegetables, fruits, and lean proteins. Managing blood pressure through stress reduction, regular exercise, and maintaining a healthy weight can significantly protect your kidneys.
What does high Beta-2 Microglobulin mean?
High levels typically indicate that your kidneys aren't filtering properly, which can happen with various kidney diseases, transplant rejection, or reduced kidney function. Elevated levels can also occur with certain immune disorders, inflammatory conditions, autoimmune diseases like lupus, or some types of cancer. Your doctor will interpret your results in context with your symptoms and medical history.
How often should I retest Beta-2 Microglobulin?
Testing frequency depends on your specific situation. If you're a transplant recipient, you may need testing every few weeks or months to monitor for rejection. For chronic kidney disease monitoring, testing every 3-6 months is common. If you're establishing baseline kidney function or have had normal results, annual testing may be sufficient unless symptoms develop.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email [email protected] 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 [email protected], and we'll gladly help you. We've got your back and reply quickly.
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 [email protected]. 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 [email protected].
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 [email protected].

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 [email protected] and we'll gladly help you.

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

You get clinical lab reports & simplified health insights.
Save time & gas, go straight to the lab. Our doctors cover the rest.
Results start landing the next day after your lab visit.*
We don’t sell or share your data. Your time & privacy matter.
US-licensed doctors have your back if things get unclear.
No hidden fees, nice discounts for regular checkups.
Save a trip to the doctor, go directly to the lab
Instant orders, results often overnight*
Results explained in simple language
Reviewed by US licensed doctors
Fast & confidential, we never sell or share your data
No insurance needed, transparent pricing
Demo results
Beta-2 Microglobulin 3.2 mg/L
Demo results
Low Optimal 0.8 - 2.2 High
3.2 mg/L

What this means

Your Beta-2 Microglobulin levels are elevated above the optimal range, which may indicate your kidneys are not filtering as efficiently as they should. This can be an early sign of reduced kidney function or may be related to inflammation or immune system activity. It's worth monitoring and discussing with your healthcare provider.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.
Here’s how easy it is to get blood work done on your terms
Choose a checkup
Order your test Save a trip to the doctor. Your results will come with clear, friendly explanations. Takes 2 minutes
Book a lab
Book an appointment Visit any of our 4,000 nearby lab locations to have your samples collected. Book or walk-in
Choose a checkup
Get results Receive a clear, easy-to-digest health report by email & SMS within a few business days. Get answers, fast

Blood Test for Kidney Function and Fatigue

Google
3,138 reviews
  • Reveal kidney function issues early
  • Pinpoint causes of unexplained fatigue
  • Assess your immune system's health

1,000,000+ blood tests later, here's what our customers say

Google reviews 3138 reviews Next
Still got questions? Text our super-cool support team at 754-799-7833 to get help finding your ideal checkup.