ICD-9-CM Codes ICD-9-PCS Codes

537.4 - Fistula of stomach or duodenum

GEM Conversion to ICD-10 CM

K31.6

Fs: 00000 – Fistula of stomach and duodenum

Sibling Codes

537.0

Acquired hypertrophic pyloric stenosis

537.1

Gastric diverticulum

537.2

Chronic duodenal ileus

537.3

Other obstruction of duodenum

537.4

Fistula of stomach or duodenum

537.5

537.6

Hourglass stricture or stenosis of stomach

537.9

Unspecified disorder of stomach and duodenum

Parent Sibling Codes

538

Gastrointestinal mucositis (ulcerative)