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Tests and diagnosis
By Mayo Clinic staff
Often detected by accident
Your doctor may inadvertently discover you have Gilbert's syndrome if:
- A blood test for some other condition reveals high levels of bilirubin
- You experience jaundice with no obvious cause
Although it's present from birth, Gilbert's syndrome usually isn't diagnosed until puberty or later, since bilirubin production increases during puberty.
Blood tests
Your doctor may recommend blood tests to confirm your Gilbert's syndrome and rule out other conditions, such as liver problems. Common blood tests include:
- Bilirubin test
- Complete blood count (CBC)
- Liver function tests
- Berk PD, et al. Approach to the patient with jaundice or abnormal liver test results. In: Goldman L, et al. Cecil Medicine. 23rd ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/189880460-4/0/1492/0.html. Accessed March 18, 2010.
- Lidofsky SD. Jaundice. In: Feldman M, et al. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2006. http://www.mdconsult.com/das/book/body/189880460-5/0/1389/0.html. Accessed March 18, 2010.
- Ferri FF. Gilbert's disease. In: Ferri FF. Ferri's Clinical Advisor 2010. Philadelphia, Pa.: Mosby; 2010. http://www.mdconsult.com/das/book/body/189880460-5/0/2088/0.html. Accessed March 18, 2010.
- Chowdhury NR, et al. Gilbert's syndrome and unconjugated hyperbilirubinemia due to bilirubin overproduction. http://www.uptodate.com. Accessed March 18, 2010.
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