What is the correct medical code for gastric hemorrhage following ingestion of lye?

The correct medical code for gastric hemorrhage following the ingestion of lye would typically fall under the ICD-10 coding system. Specifically, you might use T18.9 (Foreign body in the gastrointestinal tract, unspecified) in conjunction with K92.2 (Gastric hemorrhage). However, it's essential to consult the latest coding guidelines or a medical coding professional for precise coding based on the specific details of the case.