K55-K64 — Other diseases of intestines
ICD-10-CM codes K55-K64 cover other diseases of intestines, within diseases of the digestive system. The block holds 206 codes across 10 categories, of which 157 are billable and 49 are header codes that cannot be submitted on a claim.
Risk adjustment in K55-K64
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 K55-K64
- 159 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.
Categories in K55-K64
- K55Vascular disorders of intestine
- K56Paralytic ileus and intestinal obstruction without hernia
- K57Diverticular disease of intestine
- K58Irritable bowel syndrome
- K59Other functional intestinal disorders
- K60Fissure and fistula of anal and rectal regions
- K61Abscess of anal and rectal regions
- K62Other diseases of anus and rectum
- K63Other diseases of intestine
- K64Hemorrhoids and perianal venous thrombosis