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. K63-
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  5. 2023 ICD-10-CM Diagnosis Code K63.1

2023 ICD-10-CM Diagnosis Code K63.1

Perforation of intestine (nontraumatic)

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • K63.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM K63.1 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of K63.1 - other international versions of ICD-10 K63.1 may differ.
Applicable To
  • Perforation (nontraumatic) of rectum
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 K63.1. 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.
  • perforation (nontraumatic) of duodenum (
    ICD-10-CM Diagnosis Code K26
    • K26 Duodenal ulcer
      • K26.0 Acute duodenal ulcer with hemorrhage
      • K26.1 Acute duodenal ulcer with perforation
      • K26.2 Acute duodenal ulcer with both hemorrhage and...
      • K26.3 Acute duodenal ulcer without hemorrhage or pe...
      • K26.4 Chronic or unspecified duodenal ulcer with he...
      • K26.5 Chronic or unspecified duodenal ulcer with pe...
      • K26.6 Chronic or unspecified duodenal ulcer with bo...
      • K26.7 Chronic duodenal ulcer without hemorrhage or ...
      • K26.9 Duodenal ulcer, unspecified as acute or chron...
    K26.-
    )
  • perforation (nontraumatic) of intestine with diverticular disease (
    ICD-10-CM Diagnosis Code K57.0

    Diverticulitis of small intestine with perforation and abscess

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
    K57.0
    ,
    ICD-10-CM Diagnosis Code K57.2

    Diverticulitis of large intestine with perforation and abscess

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
    K57.2
    ,
    ICD-10-CM Diagnosis Code K57.4

    Diverticulitis of both small and large intestine with perforation and abscess

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    K57.4
    ,
    ICD-10-CM Diagnosis Code K57.8

    Diverticulitis of intestine, part unspecified, with perforation and abscess

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    K57.8
    )
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 (K63.1) and the excluded code together.
  • perforation (nontraumatic) of appendix (
    ICD-10-CM Diagnosis Code K35.2

    Acute appendicitis with generalized peritonitis

      2016 2017 2018 2019 - Converted to Parent Code 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Appendicitis (acute) with generalized (diffuse) peritonitis following rupture or perforation of appendix
    K35.2-
    ,
    ICD-10-CM Diagnosis Code K35.3

    Acute appendicitis with localized peritonitis

      2016 2017 2018 2019 - Converted to Parent Code 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    K35.3-
    )
The following code(s) above K63.1 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 K63.1:
  • 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
Approximate Synonyms
  • Perforation of colon
  • Perforation of intestine
  • Rupture of rectum
ICD-10-CM K63.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 393 Other digestive system diagnoses with mcc
  • 394 Other digestive system diagnoses with cc
  • 395 Other digestive system diagnoses without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert K63.1 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
  • 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 K63.1:
  • Type 1 Excludes: K63.3
    ICD-10-CM Diagnosis Code K63.3

    Ulcer of intestine

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Primary ulcer of small intestine
    Type 1 Excludes
    • duodenal ulcer (K26.-)
    • gastrointestinal ulcer (K28.-)
    • gastrojejunal ulcer (K28.-)
    • jejunal ulcer (K28.-)
    • peptic ulcer, site unspecified (K27.-)
    • ulcer of intestine with perforation (K63.1)
    • ulcer of anus or rectum (K62.6)
    • ulcerative colitis (K51.-)

Diagnosis Index entries containing back-references to K63.1:

ICD-10-CM Codes Adjacent To K63.1
K62.5 Hemorrhage of anus and rectum
K62.6 Ulcer of anus and rectum
K62.7 Radiation proctitis
K62.8 Other specified diseases of anus and rectum
K62.81 Anal sphincter tear (healed) (nontraumatic) (old)
K62.82 Dysplasia of anus
K62.89 Other specified diseases of anus and rectum
K62.9 Disease of anus and rectum, unspecified
K63 Other diseases of intestine
K63.0 Abscess of intestine
K63.1 Perforation of intestine (nontraumatic)
K63.2 Fistula of intestine
K63.3 Ulcer of intestine
K63.4 Enteroptosis
K63.5 Polyp of colon
K63.8 Other specified diseases of intestine
K63.81 Dieulafoy lesion of intestine
K63.89 Other specified diseases of intestine
K63.9 Disease of intestine, unspecified
K64 Hemorrhoids and perianal venous thrombosis
K64.0 First degree hemorrhoids

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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