Gastroenterology Coding Alert

Reader Question:

Mark Colonoscopy Through Stoma Procedures Using 44388-44389

Question: I heard CPT has a different code for colonoscopies performed thru a colostomy bag. I'm at a lost finding a code for the tattooing of a polyp when the procedure was done this way. What should I report?

Delaware Subscriber

Answer: No specific CPT code exists for tattooing when the physician performs colonoscopy via stoma.

For standard colonoscopy, you would use 45381 (Colonoscopy, flexible, proximal to splenic flexure; with directed submucosal injection[s], any substance) for tattooing or any other type of injection, but you won't find an injection code within the family of codes for colonoscopy through a stoma.

If the GI performs a colonoscopy via stoma and takes a biopsy, then you should report 44389 (Colonoscopy through stoma; with biopsy, single or multiple).

Otherwise, bill 44388 (Colonoscopy through stoma; diagnostic, with or without collection of specimen[s] by brushing or washing [separate procedure]) for a diagnostic procedure. You would need to use the "unlisted" code 44799 (Unlisted procedure, intestine) for the tattooing portion of the colonoscopy via stoma procedure. The added fee of less than 0.5 RVUs is probably not worth the hassle of submitting all the info needed for an unlisted code claim.

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