K91.6 ICD-10-CM Code: Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure

K91.6 is the ICD-10-CM diagnosis code for intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure. K91.6 sits in the ICD-10-CM chapter for diseases of the digestive system (k00-k95), within the section covering other diseases of the digestive system (k90-k95).

Header codes like K91.6 cannot be reported on claims directly, they organize child codes that share clinical context but the actual diagnosis must be coded to the highest level of specificity supported by the documentation. Coders should look at K91.6's child codes and select the one that matches the patient's documented presentation, since payers reject header codes submitted as the primary diagnosis. For risk adjustment workflows, header codes never contribute to a Medicare Advantage member's RAF score on their own; only billable child codes that happen to map to a payment HCC affect risk-adjusted plan payments.