List of IBD related surgeries and corresponding codes

Procedure name	ICD9-CM procedure code	Corresponding CPT codes
Small intestinal resection	45.6–45.62	44157, 44158, 44211, 45113, 44141, 44143, 44144, 44150, 44206, 44210, 44155, 44212, 44146, 44140, 44160, 44204, 44205, 44145, 44120, 44125, 44202, 37197, 45110, 45111, 45112, 45114, 45119, 45123, 45136, 44320, 45000, 45005, 45020, 46040, 46045, 45800, 45820, 46030, 57305, 57308, 46060, 46706, 46020
Colonic resection	45.71–45.76, 45.79, 45.8
Small intestinal fistula closure	46.74
Large intestinal fistula closure	46.76
Rectal surgery	48.49, 48.5, 48.61–48.65, 48.69
Rectal fistula closure	48.73
Perirectal fistula closure	48.93
Perianal abscess drainage	49.01
Anal fistula repair	49.11–49.12, 49.73
Repair of fistula between intestines and urinary system	57.83, 58.43
Repair of fistula between intestines and vagina	70.72–70.74