2023

  1. ICD-10-CM Codes
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  2. K00-K95
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  3. K55-K64
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  4. K56-
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  5. 2023 ICD-10-CM Diagnosis Code K56

2023 ICD-10-CM Diagnosis Code K56

Paralytic ileus and intestinal obstruction without hernia

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • K56 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM K56 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of K56 - other international versions of ICD-10 K56 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as K56. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • congenital stricture or stenosis of intestine (
    ICD-10-CM Diagnosis Code Q41

    Congenital absence, atresia and stenosis of small intestine

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • congenital obstruction, occlusion or stricture of small intestine or intestine NOS
    Type 1 Excludes
    • cystic fibrosis with intestinal manifestation (E84.11)
    • meconium ileus NOS (without cystic fibrosis) (P76.0)
    Q41
    -
    ICD-10-CM Diagnosis Code Q42

    Congenital absence, atresia and stenosis of large intestine

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • congenital obstruction, occlusion and stricture of large intestine
    Q42
    )
  • cystic fibrosis with meconium ileus (
    ICD-10-CM Diagnosis Code E84.11

    Meconium ileus in cystic fibrosis

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Newborn/Neonate Dx (0 years)
    Type 1 Excludes
    • meconium ileus not due to cystic fibrosis (P76.0)
    E84.11
    )
  • ischemic stricture of intestine (
    ICD-10-CM Diagnosis Code K55.1

    Chronic vascular disorders of intestine

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Chronic ischemic colitis
    • Chronic ischemic enteritis
    • Chronic ischemic enterocolitis
    • Ischemic stricture of intestine
    • Mesenteric atherosclerosis
    • Mesenteric vascular insufficiency
    K55.1
    )
  • meconium ileus NOS (
    ICD-10-CM Diagnosis Code P76.0

    Meconium plug syndrome

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Code on Newborn Record
    Applicable To
    • Meconium ileus NOS
    Type 1 Excludes
    • meconium ileus in cystic fibrosis (E84.11)
    P76.0
    )
  • neonatal intestinal obstructions classifiable to
    ICD-10-CM Diagnosis Code P76
    • P76 Other intestinal obstruction of newborn
      • P76.0 Meconium plug syndrome
      • P76.1 Transitory ileus of newborn
      • P76.2 Intestinal obstruction due to inspissated mil...
      • P76.8 Other specified intestinal obstruction of new...
      • P76.9 Intestinal obstruction of newborn, unspecifie...
    P76.-
  • obstruction of duodenum (
    ICD-10-CM Diagnosis Code K31.5

    Obstruction of duodenum

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Constriction of duodenum
    • Duodenal ileus (chronic)
    • Stenosis of duodenum
    • Stricture of duodenum
    • Volvulus of duodenum
    Type 1 Excludes
    • congenital stenosis of duodenum (Q41.0)
    K31.5
    )
  • postprocedural intestinal obstruction (
    ICD-10-CM Diagnosis Code K91.3

    Postprocedural intestinal obstruction

      2016 2017 2018 - Converted to Parent Code 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    K91.3-
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (K56) and the excluded code together.
  • stenosis of anus or rectum (
    ICD-10-CM Diagnosis Code K62.4

    Stenosis of anus and rectum

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Stricture of anus (sphincter)
    K62.4
    )
The following code(s) above K56 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K56:
  • K00-K95
    2023 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • 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)
    Diseases of the digestive system
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to K56:
  • Type 1 Excludes: P76.8
    ICD-10-CM Diagnosis Code P76.8

    Other specified intestinal obstruction of newborn

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Code on Newborn Record
    Type 1 Excludes
    • intestinal obstruction classifiable to K56.-
ICD-10-CM Codes Adjacent To K56
K55.2 Angiodysplasia of colon
K55.20 …… without hemorrhage
K55.21 …… with hemorrhage
K55.3 Necrotizing enterocolitis
K55.30 …… unspecified
K55.31 Stage 1 necrotizing enterocolitis
K55.32 Stage 2 necrotizing enterocolitis
K55.33 Stage 3 necrotizing enterocolitis
K55.8 Other vascular disorders of intestine
K55.9 Vascular disorder of intestine, unspecified
K56 Paralytic ileus and intestinal obstruction without hernia
K56.0 Paralytic ileus
K56.1 Intussusception
K56.2 Volvulus
K56.3 Gallstone ileus
K56.4 Other impaction of intestine
K56.41 Fecal impaction
K56.49 Other impaction of intestine
K56.5 Intestinal adhesions [bands] with obstruction (postinfection)
K56.50 Intestinal adhesions [bands], unspecified as to partial versus complete obstruction
K56.51 Intestinal adhesions [bands], with partial obstruction

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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