K65-K68 — Diseases of peritoneum and retroperitoneum
ICD-10-CM codes K65-K68 cover diseases of peritoneum and retroperitoneum, within diseases of the digestive system. The block holds 22 codes across 4 categories, of which 18 are billable and 4 are header codes that cannot be submitted on a claim.
Risk adjustment in K65-K68
0 codes in this block map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded. Under-coding here is money left on the table; over-coding here is what audits are for.
- HCC 78 Intestinal Obstruction/Perforation
What else to watch in K65-K68
- 18 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.