CPT Code 43659: Unlisted Laparoscopic Procedure, Stomach

Only when the procedure doesn’t match any available CPT code, even with the use of a modifier. This might apply when performing a one-off revision, a hybrid approach, or managing complex complications from prior bariatric surgery.

No. It can also be used for non-bariatric stomach procedures as long as they are laparoscopic and unlisted. Examples include managing perforations, gastric outlet obstructions, or anatomical corrections from congenital conditions.

Yes, but claims are manually reviewed. Make sure your documentation meets the medical necessity standard and aligns with guidance from your local Medicare Administrative Contractor.