E79: Disorders of purine and pyrimidine metabolism

E79.0: Hyperuricaemia without signs of inflammatory arthritis and tophaceous disease

Purines are contained in some foodstuffs and also in the body’s cells. For example, if you eat a lot of animal foods or if cells in your body break down, purines are then converted or broken down. A large percentage of purines are re-used. Only a small number of them are broken down further into uric acid. The uric acid is then passed out in urine.

The uric acid content in the blood can increase if the body creates additional uric acid or passes less uric acid. For example, your body will create a lot of uric acid if you drink a lot of alcohol or eat many purine-rich foods.

If you have too much uric acid in your blood, small uric acid crystals can be formed. If these crystals are deposited in the joints, pain can occur. This is known as gout. You do not have any symptoms as a result of the increased uric acid content in your blood.