To back up what Rebecca said, CPT allows visits to be billed to address significant complications (something more than a loose stitch). Even though these visits are related to the procedure in the absolute sense, they are unrelated to "typical postoperative follow-up."
Per the August '03 CPT Assistant:
"This modifier [24] would be appended to an E/M code when the physician sees a patient for significant complications... (ie, post-operative infection or persistent bleeding where a coagulopathy must be explored, linked to the appropriate diagnosis code to indicate the reason) or for an E/M visit completely unrelated to the [procedure]..."
You must check to see if a commercial payer has published what it considers to be part of the surgical package. Some have included wording in their definitions that mirrors that of Medicare, saying that the treatment of complications (not requiring a return to the O/R) is included. If they have, you can't bill a complication visit. If they havn't, assume standard CPT rules are in play that allow it.
Seth Canterbury, CPC, ACS-EM