Question: If a patient suffers from an intra- or postoperative complication involving bleeding — such as hemorrhage or hematoma — how do you note it on the claim? Are there ICD-10-CM codes for such circumstances? AAPC Forum Participant Answer: Yes, there are several codes to represent this complication. Which one you choose will depend on the type of complication. Do this: Head to the M96.8- (Other intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified) section of ICD-10-CM. Then, choose from one of the following code sets, depending on encounter specifics: