Serum Anti-AQP-4

Specimen Required

Fasting Required

Purpose of the Test

The Serum Anti-AQP-4 test is typically performed to help diagnose autoimmune disorders that affect the central nervous system, such as neuromyelitis optica (NMO) or neuromyelitis optica spectrum disorder (NMOSD).

When this test is required

The Serum Anti-AQP-4 test is typically requested when a patient presents with symptoms of a neurological disorder or has a history of autoimmune disorders. The test may also be requested when other neurological conditions have been ruled out.

What the Test Detects

The Serum Anti-AQP-4 test measures the presence of antibodies in the blood that are specific to the AQP-4 protein, which is found on the surface of certain cells in the central nervous system.

Preparation for the Test

There are no specific test preparation requirements for the Serum Anti-AQP-4 test.

Sample Requirements

The test requires a blood sample.

Additional Notes

The Serum Anti-AQP-4 test is just one of the tests that may be performed to help diagnose autoimmune disorders that affect the central nervous system. Other tests, such as imaging studies and spinal tap, may also be necessary. The test results should be interpreted by a healthcare provider who specializes in neurology or autoimmune disorders.

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