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ICD-10 Coding for Terminal Ileitis(K50.01, K50.00)

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

Also known as:

IleitisCrohn's Disease of the Terminal Ileum

Related ICD-10 Code Ranges

Complete code families applicable to Terminal Ileitis

K50-K52Primary Range

Noninfective Enteritis and Colitis

This range includes codes for Crohn's disease and other forms of noninfective ileitis.

Other Bacterial Intestinal Infections

This range includes codes for infectious causes of ileitis, such as Yersinia enterocolitica.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K50.01Crohn's disease of small intestine with complicationsUse when terminal ileitis is due to Crohn's disease with complications like strictures or fistulas.
  • Biopsy showing non-caseating granulomas
  • Imaging showing strictures or fistulas
K50.00Crohn's disease of small intestine without complicationsUse when terminal ileitis is due to Crohn's disease without any complications.
  • Biopsy confirming inflammation without complications

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 terminal ileitis

Essential facts and insights about Terminal Ileitis

The ICD-10 code for terminal ileitis due to Crohn's disease with complications is K50.01.

Primary ICD-10-CM Codes for terminal ileitis

Crohn's disease of small intestine with complications
Non-billable Code

Decision Criteria

clinical Criteria

  • Presence of strictures or fistulas in terminal ileum

Applicable To

  • Terminal ileitis with strictures
  • Fistulizing disease

Excludes

  • Infectious enteritis (A04.6)

Clinical Validation Requirements

  • Biopsy showing non-caseating granulomas
  • Imaging showing strictures or fistulas

Code-Specific Risks

  • Misclassification if complications are not documented

Coding Notes

  • Ensure documentation specifies Crohn's disease and any complications.

Ancillary Codes

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

Other specified intestinal obstruction

K56.699
Use if obstruction is present due to Crohn's complications.

Differential Codes

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

Enteritis due to Yersinia enterocolitica

A04.6
Use when ileitis is confirmed to be due to Yersinia infection.

Other specified noninfective gastroenteritis and colitis

K52.89
Use for non-Crohn's related ileitis, such as NSAID-induced.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Terminal Ileitis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K50.01.

Impact

Clinical: Misrepresentation of disease severity, Regulatory: Non-compliance with coding standards, Financial: Potential loss of reimbursement

Mitigation Strategy

Use structured templates for documentation, Regular training on documentation standards

Impact

Reimbursement: Potential underpayment due to lower DRG assignment, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate clinical data representation

Mitigation Strategy

Query the physician to specify the presence of complications.

Impact

High risk of audit if complications are not documented but coded as unspecified.

Mitigation Strategy

Implement mandatory queries for unspecified Crohn's diagnoses.

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 Terminal Ileitis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Terminal Ileitis

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

Gastroenterology Progress Note

Specialty: Gastroenterology

Required Elements

  • Location of inflammation
  • Endoscopic findings
  • Biopsy results
  • Complications

Example Documentation

Terminal ileum shows 5 cm segment with wall thickening and stricture. Biopsy confirms non-caseating granulomas.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Ileitis present.
Good Documentation Example
Terminal ileitis with cobblestoning and stricture, consistent with Crohn's disease.
Explanation
The good example provides specific findings and links them to Crohn's disease, supporting accurate coding.

Need help with ICD-10 coding for Terminal Ileitis? Ask your questions below.

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