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Home/Diagnosis/ICD-10 Coding for Norovirus

ICD-10 Coding for Norovirus

A08.11
A08.19

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

Also Known as:
Norwalk virus
Winter vomiting bug
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Key Information: ICD-10 Coding for Norovirus

Essential facts and insights about ICD-10 Coding for Norovirus

Use ICD-10 code A08.11 for acute gastroenteropathy due to norwalk agent, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute gastroenteropathy due to Norwalk agent

Billable Code
A08.11
Billable

Diagnostic Criteria

clinical:
  • • PCR confirmation of Norwalk agent
documentation:
  • • Documented outbreak context

Applicable To

  • • Norovirus infection

Important Notes

  • • Ensure lab confirmation of norovirus before using A08.11.

Acute gastroenteropathy due to other small round viruses

Billable Code
A08.19
Billable

Diagnostic Criteria

clinical:
  • • Negative rotavirus test
  • • CART criteria documentation

Applicable To

  • • Suspected norovirus without lab confirmation

Important Notes

  • • Transition to A08.11 upon lab confirmation.
Ancillary Codes

Additional codes that may be used with this diagnosis

R11.10

Vomiting, unspecified

Use to document vomiting as a symptom of norovirus.

R19.7

Diarrhea, unspecified

Use to document diarrhea as a symptom of norovirus.

E86.0

Dehydration

Use to document dehydration resulting from norovirus.

Frequently Asked Questions

What is the ICD-10 code for norovirus?

The ICD-10 code for norovirus is A08.11, which is used for acute gastroenteropathy due to Norwalk agent, confirmed by lab tests.

How do you code suspected norovirus?

For suspected norovirus without lab confirmation, use ICD-10 code A08.19 until lab results confirm the diagnosis.

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