2020 ICD-10-CM Diagnosis Code K51.918

Ulcerative colitis, unspecified with other complication

    2016 2017 2018 2019 2020 Billable/Specific Code
  • K51.918 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 K51.918 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K51.918 - other international versions of ICD-10 K51.918 may differ.
The following code(s) above K51.918 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 K51.918:
  • 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
  • K50-K52
    2020 ICD-10-CM Range K50-K52

    Noninfective enteritis and colitis

    Includes
    • noninfective inflammatory bowel disease
    Type 1 Excludes
    Noninfective enteritis and colitis
  • K51
    ICD-10-CM Diagnosis Code K51

    Ulcerative colitis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • Crohn's disease [regional enteritis] (K50.-)
    Use Additional
    • code to identify manifestations, such as:
    • pyoderma gangrenosum (L88)
    Ulcerative colitis
ICD-10-CM K51.918 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 385 Inflammatory bowel disease with mcc
  • 386 Inflammatory bowel disease with cc
  • 387 Inflammatory bowel disease without cc/mcc

Convert K51.918 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 K51.918:
  • Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) K52.9
    - see also Enteritis
    ICD-10-CM Diagnosis Code K52.9

    Noninfective gastroenteritis and colitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Colitis NOS
    • Enteritis NOS
    • Gastroenteritis NOS
    • Ileitis NOS
    • Jejunitis NOS
    • Sigmoiditis NOS
    Type 1 Excludes
    • diarrhea NOS (R19.7)
    • functional diarrhea (K59.1)
    • infectious gastroenteritis and colitis NOS (A09)
    • neonatal diarrhea (noninfective) (P78.3)
    • psychogenic diarrhea (F45.8)
    • ulcerative (chronic) K51.90
      ICD-10-CM Diagnosis Code K51.90

      Ulcerative colitis, unspecified, without complications

        2016 2017 2018 2019 2020 Billable/Specific Code
      • with
        • complication K51.919
          ICD-10-CM Diagnosis Code K51.919

          Ulcerative colitis, unspecified with unspecified complications

            2016 2017 2018 2019 2020 Billable/Specific Code
          • specified complication NEC K51.918

ICD-10-CM Codes Adjacent To K51.918
K51.814 Other ulcerative colitis with abscess
K51.818 Other ulcerative colitis with other complication
K51.819 Other ulcerative colitis with unspecified complications
K51.9 Ulcerative colitis, unspecified
K51.90 …… without complications
K51.91 Ulcerative colitis, unspecified, with complications
K51.911 Ulcerative colitis, unspecified with rectal bleeding
K51.912 Ulcerative colitis, unspecified with intestinal obstruction
K51.913 Ulcerative colitis, unspecified with fistula
K51.914 Ulcerative colitis, unspecified with abscess
K51.918 Ulcerative colitis, unspecified with other complication
K51.919 Ulcerative colitis, unspecified with unspecified complications
K52 Other and unspecified noninfective gastroenteritis and colitis
K52.0 Gastroenteritis and colitis due to radiation
K52.1 Toxic gastroenteritis and colitis
K52.2 Allergic and dietetic gastroenteritis and colitis
K52.21 Food protein-induced enterocolitis syndrome
K52.22 Food protein-induced enteropathy
K52.29 Other allergic and dietetic gastroenteritis and colitis
K52.3 Indeterminate colitis
K52.8 Other specified noninfective gastroenteritis and colitis

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