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ICD-10 Coding for C. difficile Diarrhea(A04.72, A04.71)

Complete ICD-10-CM coding and documentation guide for C. difficile Diarrhea. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Clostridioides difficile infectionC. diff infectionCDI

Related ICD-10 Code Ranges

Complete code families applicable to C. difficile Diarrhea

A04.7-A04.72Primary Range

Enterocolitis due to Clostridioides difficile

This range includes codes for both recurrent and non-recurrent C. difficile infections.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
A04.72Enterocolitis due to Clostridioides difficile, non-recurrentUse for initial episodes of C. difficile infection.
  • Positive stool culture for C. difficile
  • PCR/NAAT positive for toxin B gene
  • ≥3 unformed stools in 24 hours
A04.71Enterocolitis due to Clostridioides difficile, recurrentUse for recurrent episodes occurring 8 weeks or more after resolution of the initial episode.
  • Recurrence ≥8 weeks after resolution of prior episode
  • Positive stool culture for C. difficile

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 C. difficile diarrhea

Essential facts and insights about C. difficile Diarrhea

The ICD-10 code for non-recurrent C. difficile diarrhea is A04.72, while recurrent cases are coded as A04.71.

Primary ICD-10-CM Codes for c difficile diarrhea

Enterocolitis due to Clostridioides difficile, non-recurrent
Billable Code

Decision Criteria

clinical Criteria

  • Positive stool test for C. difficile toxin

Applicable To

  • Initial episode of C. difficile infection

Excludes

  • Recurrent C. difficile infection (A04.71)

Clinical Validation Requirements

  • Positive stool culture for C. difficile
  • PCR/NAAT positive for toxin B gene
  • ≥3 unformed stools in 24 hours

Code-Specific Risks

  • Misclassification if recurrence is not specified

Coding Notes

  • Ensure documentation specifies non-recurrent nature if applicable.

Ancillary Codes

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

Toxic megacolon

K52.1
Use if toxic megacolon is present as a complication.

Dehydration

E86.0
Use if dehydration is present and documented.

Differential Codes

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

Viral intestinal infection

A08.4
Confirmed viral etiology such as norovirus or rotavirus.

Other colitis

K52.89
Non-infectious etiology confirmed.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting C. difficile Diarrhea to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code A04.72.

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.

Mitigation Strategy

Specify stool frequency and consistency, Include test results

Impact

Reimbursement: Incorrect DRG assignment may affect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data reporting.

Mitigation Strategy

Ensure documentation specifies whether the episode is recurrent or non-recurrent.

Impact

Failure to document recurrence accurately can lead to audit issues.

Mitigation Strategy

Ensure clear documentation of recurrence timeline.

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 C. difficile Diarrhea, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for C. difficile Diarrhea

Use these documentation templates to ensure complete and accurate documentation for C. difficile Diarrhea. These templates include all required elements for proper coding and billing.

Initial C. difficile infection

Specialty: Gastroenterology

Required Elements

  • Positive stool test
  • Number of stools in 24 hours
  • Absence of laxative use

Example Documentation

Patient presents with 8 watery stools in 24 hours, positive C. difficile toxin B PCR, no recent laxative use.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has diarrhea, possible C. diff.
Good Documentation Example
Patient has 8 watery stools in 24 hours, positive C. difficile toxin B PCR.
Explanation
The good example provides specific stool count and test results, meeting documentation requirements.

Need help with ICD-10 coding for C. difficile Diarrhea? Ask your questions below.

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