What code would you use when the provider resects that surgically created ilecolostomy from the already done 44160 (Colectomy, partial, with removal of terminal ileum with ileocolostomy). This is no removed for malignancy along with two areas of small intestine (44120 and +44121) en block. Can you use the 44160 as I believe Medicare has a once in a lifetime rule? What other code would be useable, unlisted?