K56.609

Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC78

Intestinal Obstruction/Perforation

CMS-HCC ESRD V24

HCC33

Intestinal Obstruction/Perforation

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · K56.609
Synonyms

Intestinal obstruction NOS

Inherited from K56Paralytic ileus and intestinal obstruction without hernia
Excludes 1

congenital stricture or stenosis of intestine (Q41-Q42) cystic fibrosis with meconium ileus (E84.11) ischemic stricture of intestine (K55.1) meconium ileus NOS (P76.0) neonatal intestinal obstructions classifiable to P76.- obstruction of duodenum (K31.5) postprocedural intestinal obstruction (K91.3-)

Excludes 2

stenosis of anus or rectum (K62.4)

Inherited from chapter 11Diseases of the digestive system
Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for K56.609

FY 2026 ›
I.C.11Chapter-specific guidanceChapter 11: Diseases of the Digestive System (K00-K95)

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