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Home/Diagnosis/ICD-10 Coding for Viral Infection

ICD-10 Coding for Viral Infection

A08.11
B34.9
U07.1

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

Also Known as:
Viral Syndrome
Viral Illness
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Key Information: ICD-10 Coding for Viral Infection

Essential facts and insights about ICD-10 Coding for Viral Infection

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:
  • • Presence of norovirus confirmed by stool PCR.

Applicable To

  • • Norovirus gastroenteritis

Important Notes

  • • Ensure laboratory confirmation of norovirus for accurate coding.

Viral infection, unspecified

Billable Code
B34.9
Billable

Diagnostic Criteria

clinical:
  • • Symptoms such as fever and myalgia with negative bacterial testing.

Applicable To

  • • Viral syndrome

Important Notes

  • • Avoid using when a more specific viral infection code is available.

COVID-19

Billable Code
U07.1
Billable

Diagnostic Criteria

clinical:
  • • Positive COVID-19 test or clinical diagnosis despite negative test.

Applicable To

  • • SARS-CoV-2 infection

Important Notes

  • • Ensure COVID-19 is confirmed by testing or clinical diagnosis.
Ancillary Codes

Additional codes that may be used with this diagnosis

E86.0

Dehydration

Use if dehydration is documented alongside gastroenteritis.

J12.89

Other viral pneumonia

Use for pneumonia due to COVID-19.

Frequently Asked Questions

How do you code a viral infection in ICD-10?

Use B34.9 for unspecified viral infections. For specific viruses, use codes like A08.11 for norovirus or U07.1 for COVID-19.

What is the ICD-10 code for COVID-19?

The ICD-10 code for confirmed COVID-19 cases is U07.1, used even if the test is negative but clinical diagnosis is confirmed.

When should B34.9 be used?

B34.9 is used when the specific virus or site of infection is not identified in the documentation.

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