Unpacking ICD-10 Code K59.0: Chronic Constipation

What is Chronic Constipation?

Chronic constipation is a common gastrointestinal disorder characterized by infrequent bowel movements or difficulty passing stools. It is typically defined as having fewer than three bowel movements per week for several weeks.

ICD-10 Code Information

Eating disorder ICD  Code  Power
Eating disorder ICD Code Power

The ICD-10 code for chronic constipation is K59.00. This code is used to classify and code chronic constipation in medical records and for billing purposes.

Diagnostic Related Groups (MS-DRG)

ICD - ICD--CM - International Classification of Diseases,(ICD-
ICD – ICD–CM – International Classification of Diseases,(ICD-

The MS-DRG for chronic constipation is 391 – Esophagitis, Gastroenteritis, and Miscellaneous Digestive Disorders with MCC.

Convert to ICD-9 Code

ICD codes
ICD codes

The ICD-9 code for chronic constipation is 564.0. It is important to note that ICD-10 codes are more specific and detailed compared to ICD-9 codes.

Code History

ICD--CM Diagnosis Code K
ICD–CM Diagnosis Code K

The ICD-10 code for chronic constipation, K59.00, was introduced in 2015 as part of the transition from ICD-9 to ICD-10 coding systems.

Approximate Synonyms

Some approximate synonyms for chronic constipation include functional constipation, idiopathic constipation, and slow-transit constipation.

Clinical Information

Chronic constipation can be caused by a variety of factors, including dietary habits, lack of physical activity, certain medications, and underlying medical conditions such as irritable bowel syndrome (IBS) or hypothyroidism.


Common causes of chronic constipation include a diet low in fiber, dehydration, lack of exercise, certain medications (such as opioids and antidepressants), and neurological disorders.


Symptoms of chronic constipation may include infrequent bowel movements, straining during bowel movements, hard or lumpy stools, a feeling of incomplete evacuation, abdominal discomfort or bloating, and rectal bleeding.


Diagnosis of chronic constipation typically involves a physical examination, review of medical history, and possibly diagnostic tests such as blood tests, colonoscopy, or imaging studies to rule out underlying conditions.


Treatment for chronic constipation may include dietary changes to increase fiber intake, hydration, regular exercise, over-the-counter laxatives, prescription medications, biofeedback therapy, and in severe cases, surgical interventions.


Chronic constipation is a common gastrointestinal disorder that can have a significant impact on quality of life. Proper diagnosis and treatment are essential to manage symptoms and improve overall well-being.


1. How is chronic constipation different from acute constipation?
2. Are there any natural remedies for chronic constipation?
3. Can chronic constipation be a sign of a more serious underlying condition?
4. Is chronic constipation more common in certain age groups?
5. What should I do if I suspect I have chronic constipation?

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