Billroth I

Billroth I, more formally Billroth's operation I, is an operation in which the pylorus is removed and the distal stomach is anastomosed directly to the duodenum.^[1][2]

Other namesBillroth's operation I

ICD-9-CM43.6

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Billroth I
Other names	Billroth's operation I
ICD-9-CM	43.6
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The operation is most closely associated with Theodor Billroth, but was first described by Polish surgeon Ludwik Rydygier.^[2]

The surgical procedure is called a gastroduodenostomy.^[1]