Porphyrins - blood test

Protoporphyrin levels; Porphyrins - total; Coproporphyrin levels; PROTO test

Porphyrins help form many important substances in the body. One of these is hemoglobin. This is the protein in red blood cells that carries oxygen in the blood.

Porphyrins can be measured in the blood or the urine. This article discusses the blood test.

Blood test

Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean

Risks