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ICD-10 Coding for Chronic Ulcerative Colitis(K51.9, K51.01)

Complete ICD-10-CM coding and documentation guide for Chronic Ulcerative Colitis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

UCUlcerative Colitis

Related ICD-10 Code Ranges

Complete code families applicable to Chronic Ulcerative Colitis

K51.0-K51.9Primary Range

Ulcerative colitis codes

This range includes all codes related to ulcerative colitis, specifying different sites and complications.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K51.9Ulcerative colitis, unspecified, without complicationsUse when ulcerative colitis is diagnosed but no specific site or complication is documented.
  • Diagnosis of ulcerative colitis without specific site or complication noted
K51.01Ulcerative (chronic) pancolitis with rectal bleedingUse when there is total colon involvement with documented rectal bleeding.
  • Documentation of pancolitis with rectal bleeding

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for chronic ulcerative colitis

Essential facts and insights about Chronic Ulcerative Colitis

The ICD-10 code for chronic ulcerative colitis without complications is K51.9. For specific sites and complications, other codes in the K51 range are used.

Primary ICD-10-CM Codes for chronic ulcerative colitis

Ulcerative colitis, unspecified, without complications
Non-billable Code

Decision Criteria

clinical Criteria

  • No complications or specific site involvement documented

Applicable To

  • Ulcerative colitis NOS

Excludes

  • Crohn's disease (K50.-)

Clinical Validation Requirements

  • Diagnosis of ulcerative colitis without specific site or complication noted

Code-Specific Risks

  • Risk of undercoding if complications are present but not documented

Coding Notes

  • Ensure no complications are present before using this code.

Differential Codes

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

Crohn's disease, unspecified, without complications

K50.9
Differentiate based on endoscopic and histologic findings specific to Crohn's disease.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Chronic Ulcerative Colitis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K51.9.

Impact

Clinical: Inaccurate treatment planning, Regulatory: Potential audit issues, Financial: Incorrect reimbursement

Mitigation Strategy

Always document whether UC is active or in remission

Impact

Reimbursement: Potential underpayment due to lack of specificity, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate data representation of patient condition

Mitigation Strategy

Document and code specific complications such as rectal bleeding or obstruction.

Impact

Failure to document all complications can lead to incorrect coding.

Mitigation Strategy

Ensure thorough documentation of all symptoms and findings.

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 Chronic Ulcerative Colitis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Chronic Ulcerative Colitis

Use these documentation templates to ensure complete and accurate documentation for Chronic Ulcerative Colitis. These templates include all required elements for proper coding and billing.

Severe Ulcerative Pancolitis

Specialty: Gastroenterology

Required Elements

  • Patient symptoms
  • Endoscopic findings
  • Laboratory results

Example Documentation

Patient presents with 6-8 bloody stools/day, urgency, and weight loss. Colonoscopy shows continuous inflammation to hepatic flexure (Mayo 3).

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has UC.
Good Documentation Example
Severe ulcerative pancolitis with continuous inflammation to hepatic flexure and rectal bleeding.
Explanation
The good example provides specific site involvement and symptoms, supporting accurate coding.

Need help with ICD-10 coding for Chronic Ulcerative Colitis? Ask your questions below.

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