U.S. ICD-10-CM · FY 2027

K56 ICD-10-CM Code: Paralytic ileus and intestinal obstruction without hernia

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

K56

Paralytic ileus and intestinal obstruction without hernia

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where K56 sits

  1. 1

    Chapter 11

    Diseases of the digestive system (K00-K95)

  2. 2

    Section

    Other diseases of intestines (K55-K64)

  3. 3

    Category K56

    Paralytic ileus and intestinal obstruction without hernia

  4. 4

    Code K56

    Paralytic ileus and intestinal obstruction without hernia

More specific choices

Codes under K56

K56 is a non-billable category. Choose the child code that best matches the documented diagnosis.

K56.0

Paralytic ileus

K56.1

Intussusception

K56.2

Volvulus

K56.3

Gallstone ileus

K56.4

Other impaction of intestine

K56.5

Intestinal adhesions [bands] with obstruction (postinfection)

K56.6

Other and unspecified intestinal obstruction

K56.7

Ileus, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for K56.

Code first

No “code first” instruction is listed for K56.

Use additional code

No “use additional code” instruction is listed for K56.

Excludes1

Conditions that should not be reported together with this 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

Conditions not included here that may be reported separately when present.

  • stenosis of anus or rectum (K62.4)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code K56 mean?

K56 is the FY 2027 U.S. ICD-10-CM code for “Paralytic ileus and intestinal obstruction without hernia.”

Is K56 a billable or specific ICD-10-CM code?

No. K56 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is K56 located in ICD-10-CM?

K56 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Other diseases of intestines (K55-K64) (K55–K64), under category K56, Paralytic ileus and intestinal obstruction without hernia.

What coding notes are listed for K56?

No inclusion terms are listed for K56 in this reference record. No code-first instruction is listed. Excludes1 notes: 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 notes: stenosis of anus or rectum (K62.4).

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