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ICD-10 Coding for Constipation Unspecified(K59.00)

Complete ICD-10-CM coding and documentation guide for Constipation Unspecified. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Chronic ConstipationFunctional Constipation

Related ICD-10 Code Ranges

Complete code families applicable to Constipation Unspecified

K59.0-K59.09Primary Range

Functional intestinal disorders

This range includes codes for various types of constipation, with K59.00 being used when the specific type or cause is not documented.

Key Information: ICD-10 code for constipation unspecified

Essential facts and insights about Constipation Unspecified

The ICD-10 code for constipation unspecified is K59.00, used when the type or cause is not specified.

Primary ICD-10-CM Code for constipation unspecified

Constipation, unspecified
Billable Code

Decision Criteria

clinical Criteria

  • Absence of specific cause or type for constipation

documentation Criteria

  • Detailed symptom description and exclusion of secondary causes

Applicable To

  • Chronic constipation without specific cause

Excludes

  • Opioid-induced constipation (K59.03)
  • Constipation due to other specified drugs (K59.03)

Clinical Validation Requirements

  • Infrequent bowel movements
  • Hard stools
  • Straining during defecation
  • Absence of secondary causes

Code-Specific Risks

  • Using K59.00 when a specific cause is identified can lead to audit issues.

Coding Notes

  • Ensure documentation excludes secondary causes and meets Rome IV criteria.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Fecal impaction

K56.41
Use when fecal impaction is present as a complication.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Slow transit constipation

K59.01
Use when delayed colonic transit is confirmed by diagnostic tests.

Outlet dysfunction constipation

K59.02
Use when anorectal manometry confirms outlet dysfunction.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Constipation Unspecified to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K59.00.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Increases risk of audit and non-compliance., Financial: Potential for denied claims or reduced reimbursement.

Mitigation Strategy

Ensure comprehensive documentation of symptoms and exclusion of secondary causes.

Impact

Reimbursement: May lead to lower reimbursement due to unspecified coding., Compliance: Increases risk of audit and compliance issues., Data Quality: Affects accuracy of clinical data and patient records.

Mitigation Strategy

Use the specific code for the identified cause, such as K59.03 for opioid-induced constipation.

Impact

Increased audit risk when using unspecified codes like K59.00.

Mitigation Strategy

Ensure documentation supports the use of unspecified codes and excludes secondary causes.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Constipation Unspecified, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Constipation Unspecified

Use these documentation templates to ensure complete and accurate documentation for Constipation Unspecified. These templates include all required elements for proper coding and billing.

Chronic Constipation in Primary Care

Specialty: Family Medicine

Required Elements

  • Symptom duration
  • Bowel movement frequency
  • Stool consistency
  • Exclusion of secondary causes

Example Documentation

Patient presents with chronic constipation for 6 months, <2 bowel movements per week, hard stools. No opioid use. Normal thyroid function tests.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has constipation.
Good Documentation Example
Patient reports chronic constipation for 6 months, <2 bowel movements per week, hard stools. No opioid use. Normal thyroid function tests.
Explanation
The good example provides detailed symptom description and excludes secondary causes, meeting documentation requirements.

Need help with ICD-10 coding for Constipation Unspecified? Ask your questions below.

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