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3. Lab Results ReadyCystatin C
This test is used to measure the level of Cystatin C in the blood to evaluate kidney function. Cystatin C is a protein that is produced in the body and is filtered from the blood by the kidneys at a constant rate. Unlike Creatinine the levels of Cystatin C is not affected by muscle mass or diet and could be a more reliable indicator of kidney function and estimation of EGFR.
Test results may take 3-5 business days.
Choose the test you want (be sure to pick the laboratory you want to use).
Pay by credit card or PayPal®.
You pay directly and we do not bill your insurance.
(Note: to preserve lowest possible per test pricing, a single $10.00 lab fee is applied to one or more blood tests. You will not incur any additional charges at the lab.)
After purchasing your testing you will receive an email with your lab requisition. Bring this form to the laboratory.
NOTE: Be sure to visit the appropriate laboratory!
If you choose LabCorp only visit a
Labcorp location.
If you choose Quest Diagnostics
only visit a Quest location!
No appointment is needed, but making one can minimize your wait time.
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If you have selected the option to have an At Home Test Kit delivered to you, you will receive your test kit in the mail within 5 to 7 business days. (Not all tests are available as At Home Test Kits.)
We’ll email you when your results are ready. Sign into your account to view and download your result reports.
Certain result values may prompt a phone call from our ordering provider to ensure the patient is aware of their result.
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