Porphyrin (Stool) (From Outsource UK)

Specimen Required

Stool (Clinical History Essential)

Fasting Required

Purpose of the Test

The porphyrin stool test is used to evaluate the levels of porphyrins in a patient’s stool. Porphyrins are organic compounds that are produced as a part of heme synthesis, which is the process that creates hemoglobin, the protein that carries oxygen in the blood. Abnormal levels of porphyrins in stool can be indicative of a variety of conditions, including porphyria and liver disease.

When this test is required

The test is typically requested by a healthcare provider if a patient presents with symptoms of porphyria, such as abdominal pain, nausea, vomiting, and constipation. The test may also be ordered if a patient has a family history of porphyria or if a healthcare provider suspects that a patient has been exposed to a toxin that can cause porphyria.

What the Test Detects

The porphyrin stool test measures the levels of porphyrins in a patient’s stool. Porphyrins are chemical compounds that are involved in the production of heme, an essential component of hemoglobin in red blood cells.

Preparation for the Test

It’s important to note that the interpretation of the results of the porphyrin stool test can be complex and may require additional testing or consultation with a specialist. Patients should discuss the results with their healthcare provider to determine the appropriate next steps in diagnosis and treatment.

Sample Requirements

To perform the test, a stool sample is required from the patient. The patient will be given instructions on how to properly collect and transport the sample to the laboratory. There are typically no special preparation requirements for the patient before the test.

Additional Notes

It is important to note that the porphyrin stool test is just one of several tests that may be used to diagnose porphyria, and it is not a definitive diagnostic tool on its own. If a healthcare provider suspects that a patient has porphyria, they may also order additional tests such as urine porphyrin tests, blood tests, and genetic testing.

Selected Tests