2020 ICD-10-CM Diagnosis Code K56.0

Paralytic ileus

    2016 2017 2018 2019 2020 Billable/Specific Code
  • K56.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM K56.0 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K56.0 - other international versions of ICD-10 K56.0 may differ.
Applicable To
  • Paralysis of bowel
  • Paralysis of colon
  • Paralysis of intestine
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 K56.0. 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.
  • gallstone ileus (
    ICD-10-CM Diagnosis Code K56.3

    Gallstone ileus

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Obstruction of intestine by gallstone
    K56.3
    )
  • ileus NOS (
    ICD-10-CM Diagnosis Code K56.7

    Ileus, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    Type 2 Excludes
    • intestinal obstruction with hernia (K40-K46)
    K56.7
    )
  • obstructive ileus NOS (
    ICD-10-CM Diagnosis Code K56.69

    Other intestinal obstruction

      2016 2017 2018 - Converted to Parent Code 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Enterostenosis NOS
    • Obstructive ileus NOS
    • Occlusion of colon or intestine NOS
    • Stenosis of colon or intestine NOS
    • Stricture of colon or intestine NOS
    Type 1 Excludes
    • intestinal obstruction due to specified condition-code to condition
    K56.69-
    )
The following code(s) above K56.0 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 K56.0:
  • K00-K95
    2020 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
  • K56
    ICD-10-CM Diagnosis Code K56

    Paralytic ileus and intestinal obstruction without hernia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • 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-)
    • stenosis of anus or rectum (K62.4)
    Paralytic ileus and intestinal obstruction without hernia
Approximate Synonyms
  • Paralysis of colon
  • Paralytic colon
Clinical Information
  • A condition in which the muscles of the intestines do not allow food to pass through, resulting in a blocked intestine. Paralytic ileus may be caused by surgery, inflammation, and certain drugs.
  • An ileus caused by abdominal or pelvic surgery, infections, disorders that affect the muscles and nerves, and medications. Signs and symptoms include those of intestinal obstruction.
ICD-10-CM K56.0 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 388 G.i. Obstruction with mcc
  • 389 G.i. Obstruction with cc
  • 390 G.i. Obstruction without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert K56.0 to ICD-9-CM

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

Diagnosis Index entries containing back-references to K56.0:
  • Ileus (bowel) (colon) (inhibitory) (intestine) K56.7
    ICD-10-CM Diagnosis Code K56.7

    Ileus, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    Type 2 Excludes
    • intestinal obstruction with hernia (K40-K46)
  • Obstruction, obstructed, obstructive
    • intestine K56.609
      ICD-10-CM Diagnosis Code K56.609

      Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

        2018 - New Code 2019 2020 Billable/Specific Code
      Applicable To
      • Intestinal obstruction NOS
  • Paralysis, paralytic (complete) (incomplete) G83.9
    ICD-10-CM Diagnosis Code G83.9

    Paralytic syndrome, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • bowel, colon or intestine K56.0
    • colon K56.0
    • ileus K56.0
    • intestine K56.0
  • Paresis - see also Paralysis
    • bowel, colon or intestine K56.0

ICD-10-CM Codes Adjacent To K56.0
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
K56.52 Intestinal adhesions [bands] with complete obstruction

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