At a Glance
Why Get Tested?
To help diagnose and sometimes to monitor porphyrias
When to Get Tested?
When a person has symptoms that suggest a neurologic porphyria (e.g., abdominal pain, tingling or numbness in the hands or feet, muscular weakness and/or alterations in thought or mood) or a cutaneous porphyria (e.g., redness, blistering, or scarring of sun-exposed skin)
Test Preparation Needed?
If a neurologic porphyria is suspected, the sample should be collected during an acute attack.