Playing 'House'

Diagnosis #1

Correct diagnosis: A

You tell the patient: Congratulations! You have coproporphyria, a genetic disorder which is a form of hepatic porphyria associated with a deficiency of the enzyme copropor coproporphyrinogen III oxidase. While there is no cure for this condition, there are preventative measures people can take to regulate symptoms. A diet high in carbohydrates, glucose, as well as avoidance of aggravating factors (such as alcohol and drug use) can prevent attacks

Translation: You are probably going to die.

("Let Them Eat Cake", season 5, episode 10)