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ICD-10 Guide
ICD-10 CodesK59.01

K59.01

Billable

Slow transit constipation

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K59.01 is a billable code used to indicate a diagnosis of slow transit constipation.

Key Diagnostic Point:

Slow transit constipation (STC) is a gastrointestinal disorder characterized by infrequent bowel movements and prolonged transit time through the colon. Patients typically present with symptoms such as abdominal discomfort, bloating, and a sensation of incomplete evacuation. The anatomy involved primarily includes the large intestine, where motility issues lead to delayed stool passage. Disease progression can vary; some patients may experience chronic symptoms, while others may have intermittent episodes. Diagnostic considerations include a thorough patient history, physical examination, and possibly imaging studies or motility tests to assess colonic transit time. It is essential to differentiate STC from other forms of constipation, such as obstructive or functional constipation, to ensure appropriate management and treatment strategies are employed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires differentiation from other constipation types and may involve specialized testing.
  • Treatment complexity: Management may include dietary changes, medications, or surgical options depending on severity.
  • Documentation requirements: Detailed clinical notes and symptom descriptions are necessary for accurate coding.
  • Coding specificity: Requires precise coding to reflect the specific type of constipation.

Audit Risk Factors

  • Common coding errors: Misclassification with other constipation types.
  • Documentation gaps: Incomplete patient history or symptom descriptions.
  • Billing challenges: Potential denials due to lack of supporting documentation.

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Primary Care

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Slow transit constipation has significant clinical implications, affecting patient quality of life and healthcare utilization. It is prevalent in various populations, particularly among older adults and those with certain comorbidities. Understanding the epidemiology of STC can help healthcare providers implement effective management strategies and improve patient outcomes. Quality measures related to gastrointestinal health often include the assessment and management of constipation, highlighting its importance in population health.

ICD-9 vs ICD-10

Slow transit constipation has significant clinical implications, affecting patient quality of life and healthcare utilization. It is prevalent in various populations, particularly among older adults and those with certain comorbidities. Understanding the epidemiology of STC can help healthcare providers implement effective management strategies and improve patient outcomes. Quality measures related to gastrointestinal health often include the assessment and management of constipation, highlighting its importance in population health.

Reimbursement & Billing Impact

Reimbursement considerations may vary based on the complexity of the case and the treatments provided. Common denials may occur if documentation does not clearly establish the diagnosis or if the treatment provided is not supported by the clinical evidence. Best practices include thorough documentation and adherence to coding guidelines to ensure accurate billing.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K59.01?

K59.01 specifically covers slow transit constipation, which is characterized by infrequent bowel movements and prolonged colonic transit time. It is essential to differentiate it from other types of constipation, such as obstructive constipation or functional constipation.

When should K59.01 be used instead of related codes?

K59.01 should be used when the patient presents with symptoms specifically indicative of slow transit constipation, confirmed through diagnostic testing that shows prolonged colonic transit time. It is crucial to document the clinical findings that support this diagnosis.

What documentation supports K59.01?

Documentation for K59.01 should include a detailed patient history, symptom descriptions, results from any diagnostic tests (such as colonic transit studies), and treatment plans. Clear documentation of the patient's symptoms and the rationale for the diagnosis is essential.