2019 ICD-10-CM Diagnosis Code K31.89

Other diseases of stomach and duodenum

    2016 2017 2018 2019 Billable/Specific Code
  • K31.89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM K31.89 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of K31.89 - other international versions of ICD-10 K31.89 may differ.
The following code(s) above K31.89 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 K31.89:
  • K00-K95
    2019 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
  • K20-K31
    2019 ICD-10-CM Range K20-K31

    Diseases of esophagus, stomach and duodenum

    Type 2 Excludes
    Diseases of esophagus, stomach and duodenum
  • K31
    ICD-10-CM Diagnosis Code K31

    Other diseases of stomach and duodenum

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Includes
    • functional disorders of stomach
    Type 2 Excludes
    Other diseases of stomach and duodenum
Approximate Synonyms
  • Disorder of function of stomach
  • Gastroptosis
  • Intestinal metaplasia of gastric mucosa
  • Portal hypertensive gastropathy
  • Stomach dysfunction
ICD-10-CM K31.89 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
  • 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert K31.89 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
Code annotations containing back-references to K31.89:
  • Type 1 Excludes: K31.2
    ICD-10-CM Diagnosis Code K31.2

    Hourglass stricture and stenosis of stomach

      2016 2017 2018 2019 Billable/Specific Code
    Type 1 Excludes
    • congenital hourglass stomach (Q40.2)
    • hourglass contraction of stomach (K31.89)
  • Use Additional: K76.6
    ICD-10-CM Diagnosis Code K76.6

    Portal hypertension

      2016 2017 2018 2019 Billable/Specific Code
    Use Additional
    • code for any associated complications, such as:
    • portal hypertensive gastropathy (K31.89)

Diagnosis Index entries containing back-references to K31.89:

ICD-10-CM Codes Adjacent To K31.89
K31.5 Obstruction of duodenum
K31.6 Fistula of stomach and duodenum
K31.7 Polyp of stomach and duodenum
K31.8 Other specified diseases of stomach and duodenum
K31.81 Angiodysplasia of stomach and duodenum
K31.811 …… with bleeding
K31.819 …… without bleeding
K31.82 Dieulafoy lesion (hemorrhagic) of stomach and duodenum
K31.83 Achlorhydria
K31.84 Gastroparesis
K31.89 Other diseases of stomach and duodenum
K31.9 Disease of stomach and duodenum, unspecified
K35 Acute appendicitis
K35.2 Acute appendicitis with generalized peritonitis
K35.20 …… without abscess
K35.21 …… with abscess
K35.3 Acute appendicitis with localized peritonitis
K35.30 …… without perforation or gangrene
K35.31 …… and gangrene, without perforation
K35.32 Acute appendicitis with perforation and localized peritonitis, without abscess
K35.33 Acute appendicitis with perforation and localized peritonitis, with abscess

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