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The parathyroid glands are four small glands in the neck that control calcium balance by releasing parathyroid hormone. They are separate from the thyroid and play an important role in bone strength and nerve signaling.
Parathyroid function is evaluated with a PTH blood test, most commonly the intact PTH test. A healthcare provider will often review PTH results along with calcium, phosphorus, vitamin D, and kidney function labs for a more complete picture of your health.
High parathyroid hormone levels may indicate that the body is trying to raise calcium levels. This may occur with low calcium levels, vitamin D deficiency, kidney disease, or other conditions involving the parathyroid glands. A healthcare provider considers PTH levels together with calcium and other labs to determine possible causes.
Consult with your healthcare provider if you have questions or concerns about the results of your PTH blood test.
Hyperparathyroidism is a condition in which one or more parathyroid glands produce high amounts of parathyroid hormone. This can cause calcium levels in the blood to rise, which may affect bones over time. Because PTH results are best understood alongside calcium and other lab tests, it’s important to review your results with a healthcare provider who can interpret them in the context of your overall health.
This test provides general information about PTH levels. It is not used to diagnose or monitor medical conditions.
Results from a parathyroid test help show whether PTH levels are higher or lower than expected. Your results should be reviewed with your healthcare provider, who can interpret them in the context of your health history, diet, and other laboratory findings such as calcium or vitamin D levels.
Symptoms that may be related to calcium or parathyroid imbalance:
It's important to note that symptoms can vary widely and may be caused by other conditions. If you're experiencing these symptoms, it’s best to consult with a healthcare provider who can interpret the results in the context of your overall health and medical history.
Your testing will be performed in a CLIA-certified clinical laboratory. Labcorp provides leading-edge medical laboratory tests and services through a national network of primary clinical laboratories and specialty testing laboratories. Our labs perform regular quality assurance testing to ensure our results are accurate.
Your results will be provided to you through our secure online portal to view or print. Results are also made available through a secure portal to the independent healthcare provider who placed your test order. If you are accessing your results through your Labcorp Patient™ account, all users linked to the account will have access to all OnDemand test results. Results may also be provided to a local, state, and/or federal health authority; for example, many states require the testing laboratory and physician to report test results for certain communicable diseases, such as COVID-19, to local or state health departments.
If you have questions or comments regarding the Labcorp Notice of Privacy Practices, or have a complaint about our use or disclosure of your PHI or our privacy practices, please contact: privacyofficer@labcorp.com, call us at (877) 234-4722 (877-23-HIPAA) and ask for the Labcorp HIPAA Privacy Officer, or send a written request to: HIPAA Privacy Officer, Labcorp, 531 South Spring Street, Burlington, NC 27215. You also may file a complaint with the Secretary of the U.S. Department of Health and Human Services.
Visit the Labcorp OnDemand® website to browse and purchase laboratory tests and create your Labcorp Patient™ account to view your results. All Labcorp OnDemand testing requires an order from an authorized healthcare professional. For your convenience, Labcorp OnDemand has contracted with independent professional entities (collectively, Providers) to deliver healthcare provider services. Visit a Labcorp location for sample collection; or, if using an at-home collection kit, collect your sample yourself. We’ll let you know when your results are ready and can be accessed through your Labcorp Patient™ account.
To align with clinical best practices, we’ve set an age maximum of 100 for consumer-initiated testing. This limit was set to encourage individuals in more advanced age groups - who may have complex medical needs - to receive personalized guidance about testing from their healthcare providers.
Shop for tests and pay online. An independent physician will review and approve your test requests; no doctor’s visit is required.
For home collection kits, you’ll receive detailed collection instructions with your kit.
For home collection kits, you’ll receive detailed collection instructions with your kit.
For in-person tests, take the requisition number we emailed you, along with a photo ID, to a Labcorp location for sample collection.
View your easy-to-read results online in your OnDemand or Labcorp Patient™ accounts, including Linked Accounts (click here for more details).
View your easy-to-read results online in your OnDemand or Labcorp Patient™ accounts, including Linked Accounts (click here for more details).
For certain results that require prompt attention, you will be also be contacted by PWN health via phone or mail.
