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ICD-10 Coding for Clostridium difficile infection(A04.71, A04.72)

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

Also known as:

C. difficile infectionCDIClostridioides difficile infection

Related ICD-10 Code Ranges

Complete code families applicable to Clostridium difficile infection

A04.7Primary Range

Other specified bacterial intestinal infections

This range includes specific codes for Clostridium difficile infections, distinguishing between recurrent and non-recurrent cases.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
A04.71Enterocolitis due to Clostridium difficile, recurrentUse for patients with a documented recurrence of CDI within 8 weeks of a previous episode.
  • Documentation of 'recurrent' infection
  • Positive lab tests (e.g., PCR, toxin EIA) within 8 weeks
A04.72Enterocolitis due to Clostridium difficile, not specified as recurrentUse for initial CDI episodes or recurrences beyond 8 weeks.
  • Positive lab tests confirming CDI
  • Absence of prior CDI within 8 weeks

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 recurrent Clostridium difficile infection

Essential facts and insights about Clostridium difficile infection

The ICD-10 code for recurrent Clostridium difficile infection is A04.71, used for cases with documented recurrence within 8 weeks.

Primary ICD-10-CM Codes for clostridium difficile infection

Enterocolitis due to Clostridium difficile, recurrent
Billable Code

Decision Criteria

clinical Criteria

  • Patient has had ≥3 episodes of CDI within 8 weeks.

documentation Criteria

  • Explicit mention of 'recurrent' in the clinical notes.

Applicable To

  • Recurrent Clostridium difficile colitis

Excludes

  • Non-recurrent Clostridium difficile infection (A04.72)

Clinical Validation Requirements

  • Documentation of 'recurrent' infection
  • Positive lab tests (e.g., PCR, toxin EIA) within 8 weeks

Code-Specific Risks

  • Misclassification if recurrence timeframe is not documented

Coding Notes

  • Ensure recurrence is clearly documented to avoid incorrect coding.

Ancillary Codes

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

Resistance to vancomycin

Z16.11
Use when documenting antibiotic resistance in CDI cases.

Differential Codes

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

Enterocolitis due to Clostridium difficile, not specified as recurrent

A04.72
Use A04.72 for first-time infections or recurrences beyond 8 weeks.

Enterocolitis due to Clostridium difficile, recurrent

A04.71
Use A04.71 for recurrent infections within 8 weeks.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Clostridium difficile infection to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code A04.71.

Impact

Clinical: Inaccurate treatment planning., Regulatory: Non-compliance with coding standards., Financial: Potential reimbursement issues.

Mitigation Strategy

Educate clinicians on documentation requirements., Implement EHR prompts for recurrence documentation.

Impact

Reimbursement: Potential for incorrect DRG assignment affecting reimbursement., Compliance: Risk of non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Ensure clinical notes explicitly state the recurrence and timeframe.

Impact

Risk of incorrect coding if recurrence is not documented.

Mitigation Strategy

Implement documentation checks for recurrence timeframe.

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 Clostridium difficile infection, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Clostridium difficile infection

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

Recurrent CDI in a hospitalized patient

Specialty: Infectious Disease

Required Elements

  • Patient history of CDI
  • Current symptoms and stool characteristics
  • Lab results confirming CDI
  • Treatment plan

Example Documentation

Patient presents with recurrent CDI, confirmed by PCR. Symptoms include diarrhea (Bristol 6) and abdominal pain. Treatment initiated with fidaxomicin.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has CDI again.
Good Documentation Example
Patient with recurrent CDI, confirmed by PCR, experiencing diarrhea (Bristol 6) and abdominal pain.
Explanation
The good example provides specific clinical details and confirms recurrence with lab results.

Need help with ICD-10 coding for Clostridium difficile infection? Ask your questions below.

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