2021 ICD-10-CM Diagnosis Code K58

Irritable bowel syndrome

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • K58 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM K58 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of K58 - other international versions of ICD-10 K58 may differ.
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • irritable colon
  • spastic colon
The following code(s) above K58 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 K58:
  • K00-K95
    2021 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
Clinical Information
  • A common syndrome manifested by symptoms of bloating, abdominal cramping, constipation, and/or diarrhea. In most patients the symptoms are not severe and they can be controlled with diet, stress, and lifestyle management. A small percentage of individuals may experience severe symptoms. The cause is unknown.
  • A disorder of the intestines commonly marked by abdominal pain, bloating, and changes in a person's bowel habits. This may include diarrhea or constipation, or both, with one occurring after the other.
  • A disorder with chronic or recurrent colonic symptoms without a clearcut etiology. This condition is characterized by chronic or recurrent abdominal pain, bloating, mucus in feces, and an erratic disturbance of defecation.
  • Chronic noninflammatory disease characterized by abdominal pain, altered bowel habits consisting of diarrhea or constipation or both, and no detectable pathologic change; a variant form is characterized by painless diarrhea; it is a common disorder with a psychophysiologic basis; called also spastic or irritable colon.
  • Functional disorder of the colon that is generally psychosomatic.
  • Irritable bowel syndrome (ibs) is a problem that affects the large intestine. It can cause abdominal cramping, bloating and a change in bowel habits. Some people with the disorder have constipation. Some have diarrhea. Some go back and forth between constipation and diarrhea. Although ibs can cause a great deal of discomfort, it does not harm the intestines. Ibs is a common disorder and happens more often in women than men. No one knows the exact cause of ibs. There is no specific test for ibs. However, your doctor may run tests to be sure you don't have other diseases. These tests may include stool sampling tests, blood tests and x-rays. Your doctor may also do a test called a sigmoidoscopy or colonoscopy. Most people diagnosed with ibs can control their symptoms with diet, stress management and medicine.
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
Code annotations containing back-references to K58:
  • Code First: F54
    ICD-10-CM Diagnosis Code F54

    Psychological and behavioral factors associated with disorders or diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
    Applicable To
    • Psychological factors affecting physical conditions
    Code First
    • the associated physical disorder, such as:
    • asthma (J45.-)
    • dermatitis (L23-L25)
    • gastric ulcer (K25.-)
    • mucous colitis (K58.-)
    • ulcerative colitis (K51.-)
    • urticaria (L50.-)
    Type 2 Excludes
    • tension-type headache (G44.2)
ICD-10-CM Codes Adjacent To K58
K57.52 Diverticulitis of both small and large intestine without perforation or abscess without bleeding
K57.53 Diverticulitis of both small and large intestine without perforation or abscess with bleeding
K57.8 Diverticulitis of intestine, part unspecified, with perforation and abscess
K57.80 …… without bleeding
K57.81 …… with bleeding
K57.9 Diverticular disease of intestine, part unspecified, without perforation or abscess
K57.90 Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
K57.91 Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
K57.92 Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
K57.93 Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding
K58 Irritable bowel syndrome
K58.0 Irritable bowel syndrome with diarrhea
K58.1 Irritable bowel syndrome with constipation
K58.2 Mixed irritable bowel syndrome
K58.8 Other irritable bowel syndrome
K58.9 Irritable bowel syndrome without diarrhea
K59 Other functional intestinal disorders
K59.0 Constipation
K59.00 …… unspecified
K59.01 Slow transit constipation
K59.02 Outlet dysfunction constipation

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