K56.601: Complete intestinal obstruction, unspecified as to cause
K56.601 is a billable, specific ICD-10-CM code for complete intestinal obstruction, unspecified as to cause. It is valid for submission on a claim.
Check K56.601 with the rest of the claim: free scrubberExcludes1 inherited from the categories above K56.601
A category’s note binds every code beneath it.
Written on K56: Paralytic ileus and intestinal obstruction without hernia
Excludes2 inherited from the categories above K56.601
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with K56.601
Their own Excludes1 notes name this code, so the conflict is not listed above.
- P76.8Other specified intestinal obstruction of newborn
Risk adjustment
K56.601 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 78 Intestinal Obstruction/Perforation0.326 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
K56.601 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55937Billing and Coding: Diagnostic Colonoscopy
- A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
Alphabetic index entries that lead here
- Obstruction, obstructed, obstructive›intestine›complete
Code history
Unchanged in every release from FY2024 to FY2027.