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Home/Diagnosis/ICD-10 Coding for Acute Diarrhea

ICD-10 Coding for Acute Diarrhea

A08.0
A09.0

Complete ICD-10-CM coding and documentation guide for icd-10 coding for acute diarrhea includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Gastroenteritis
Infectious Diarrhea
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Key Information: ICD-10 Coding for Acute Diarrhea

Essential facts and insights about ICD-10 Coding for Acute Diarrhea

Use ICD-10 code A08.0 for viral gastroenteritis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Viral gastroenteritis

Billable Code
A08.0
Billable

Diagnostic Criteria

  • • Positive stool PCR for viral pathogens

Applicable To

  • • Norovirus infection
  • • Rotavirus infection

Important Notes

  • • Ensure viral cause is documented with lab confirmation.

Infectious gastroenteritis and colitis, unspecified

Non-Billable
A09.0
Non-Billable

Diagnostic Criteria

  • • Clinical symptoms suggestive of infection but no specific pathogen identified

Applicable To

  • • Diarrhea of presumed infectious origin

Important Notes

  • • Ensure documentation supports infectious etiology.
Ancillary Codes

Additional codes that may be used with this diagnosis

E86.0

Dehydration

Use when dehydration is clinically evident and documented.

R50.9

Fever, unspecified

Use to document associated fever.

Frequently Asked Questions

What is the ICD-10 code for acute diarrhea?

The ICD-10 code for acute diarrhea depends on the etiology. A08.0 is used for viral gastroenteritis, while A09.0 is for unspecified infectious diarrhea.

How do you document acute diarrhea for ICD-10 coding?

Document the onset, duration, stool characteristics, associated symptoms, dehydration status, and any lab results to support accurate ICD-10 coding.

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