All ICD10 Codes

K56

Non-Billable
ChapterK00–K95
Rankcategory
Description

Paralytic ileus and intestinal obstruction without hernia

About ICD-10-CM code K56

Paralytic ileus and intestinal obstruction without hernia is classified in ICD-10-CM as code K56, part of K00-K95 Diseases of the Digestive System, within Other diseases of intestines (K55-K64). Its status is non-billable, meaning reporting it requires a deeper, more specific code.

Use a more specific code (5 billable, 3 non-billable)
K56.0Paralytic ileusK56.1IntussusceptionK56.2VolvulusK56.3Gallstone ileusK56.4Other impaction of intestinehas subcodesK56.5Intestinal adhesions [bands] with obstruction (postinfection)has subcodesK56.6Other and unspecified intestinal obstructionhas subcodesK56.7Ileus, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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-)
Excludes2(Not included here. Code separately if applicable.)
  • stenosis of anus or rectum (K62.4)

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K55-K64Other diseases of intestines (K55-K64)
K56Paralytic ileus and intestinal obstruction without herniaNot billable
K56.0Paralytic ileusBillable
K56.1IntussusceptionBillable
K56.2VolvulusBillable
K56.3Gallstone ileusBillable
K56.4Other impaction of intestineSubcodes
K56.5Intestinal adhesions [bands] with obstruction (postinfection)Subcodes
K56.6Other and unspecified intestinal obstructionSubcodes
K56.7Ileus, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K56:

chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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