Porphyrin Speciation, 24 Hrs Urine

What is the Porphyrins Speciation 24hrs Urine test?

This test quantifies and differentiates various porphyrins in a 24-hour urine sample to diagnose and classify porphyrias.


Why is this test done?

It is performed when porphyria is suspected, especially in cases of unexplained abdominal pain, photosensitivity, or neurological symptoms.


How is the test performed?

A 24-hour urine collection is analyzed using high-performance liquid chromatography (HPLC) or spectrophotometry to identify porphyrin types.


What do the results mean?

Specific patterns of porphyrins indicate different types of porphyria. Elevated levels of certain porphyrins guide diagnosis and management.


Are there any precautions or preparations required?

Avoiding light exposure and certain foods or drugs before the test may be recommended.