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ICD-10 Coding for Infectious Diarrhea(A08.0, A03.0)

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

Also known as:

Viral GastroenteritisBacterial DiarrheaTraveler's Diarrheadiarrhea due to infection

Related ICD-10 Code Ranges

Complete code families applicable to Infectious Diarrhea

A00-A09Primary Range

Intestinal infectious diseases

This range includes all infectious causes of diarrhea, including viral, bacterial, and parasitic infections.

Noninfective gastroenteritis and colitis, unspecified

Used when diarrhea is non-infectious or when the infectious agent is not identified.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
A08.0Rotaviral enteritisUse when rotavirus is confirmed as the causative agent.
  • Positive rotavirus antigen test
  • PCR confirmation
A03.0Shigellosis due to Shigella dysenteriaeUse when Shigella dysenteriae is confirmed as the causative agent.
  • Positive stool culture for Shigella
  • Presence of fecal leukocytes

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 infectious diarrhea

Essential facts and insights about Infectious Diarrhea

The ICD-10 code for infectious diarrhea depends on the pathogen, such as A08.0 for rotavirus.

Primary ICD-10-CM Codes for infectious diarrhea

Rotaviral enteritis
Billable Code

Decision Criteria

clinical Criteria

  • Confirmed rotavirus infection via lab test

Applicable To

  • Rotavirus infection

Excludes

  • Non-infectious diarrhea

Clinical Validation Requirements

  • Positive rotavirus antigen test
  • PCR confirmation

Code-Specific Risks

  • Misclassification if not confirmed by lab tests

Coding Notes

  • Ensure laboratory confirmation of rotavirus.

Ancillary Codes

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

Dehydration

E86.0
Use to indicate dehydration as a result of diarrhea.

Fever, unspecified

R50.9
Use to indicate fever associated with infection.

Differential Codes

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

Viral intestinal infection, unspecified

A08.4
Use when specific viral agent is not identified.

Infectious gastroenteritis and colitis, unspecified

A09
Use when specific bacterial agent is not identified.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Infectious Diarrhea to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code A08.0.

Impact

Clinical: May lead to inappropriate treatment, Regulatory: Non-compliance with documentation standards, Financial: Potential for denied claims

Mitigation Strategy

Include specific symptoms and test results, Use standardized documentation templates

Impact

Reimbursement: May lead to lower reimbursement rates, Compliance: Non-compliance with coding guidelines, Data Quality: Decreases accuracy of health data

Mitigation Strategy

Always use the most specific code available based on lab results.

Impact

High risk of audit if unspecified codes are used when specific codes are available.

Mitigation Strategy

Ensure lab results are documented and specific codes are used.

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

Documentation Templates for Infectious Diarrhea

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

Pediatric infectious diarrhea

Specialty: Pediatrics

Required Elements

  • Symptom duration
  • Exposure history
  • Stool characteristics
  • Confirmed pathogen
  • Dehydration status

Example Documentation

Patient presents with 3 days of watery diarrhea, confirmed rotavirus via PCR, mild dehydration noted.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has diarrhea.
Good Documentation Example
Patient with 3 days of watery diarrhea, positive rotavirus antigen test, mild dehydration.
Explanation
The good example provides specific details and lab confirmation.

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

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