What is the role of blood tests in the diagnosis of lower gastrointestinal (GI) bleeding (LGIB)?

Updated: Jul 26, 2019
  • Author: Burt Cagir, MD, FACS; Chief Editor: BS Anand, MD  more...
  • Print

Appropriate blood tests include a complete blood cell (CBC) count; serum electrolyte levels (eg, sequential multiple analysis 7 [SMA7]); and a coagulation profile, including activated partial thromboplastin time (aPTT), prothrombin time (PT), manual platelet count, and bleeding time.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!