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Home/Diagnosis/ICD-10 Coding for Viral Exanthem Rash

ICD-10 Coding for Viral Exanthem Rash

B08.21
B08.3
B09

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

Also Known as:
Viral Rash
Exanthema Subitum
Roseola
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Key Information: ICD-10 Coding for Viral Exanthem Rash

Essential facts and insights about ICD-10 Coding for Viral Exanthem Rash

Use ICD-10 code B08.21 for roseola infantum, hhv-6 confirmed, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Roseola infantum, HHV-6 confirmed

Billable Code
B08.21
Billable

Diagnostic Criteria

  • • HHV-6 PCR positive
  • • Sudden fever resolution followed by rash

Applicable To

  • • Roseola infantum
  • • Exanthema subitum

Important Notes

  • • Ensure documentation specifies HHV-6 confirmation.

Erythema infectiosum

Billable Code
B08.3
Billable

Diagnostic Criteria

  • • Parvovirus B19 IgM positive
  • • 'Slapped cheek' rash appearance

Applicable To

  • • Fifth disease

Important Notes

  • • Documentation must include 'slapped cheek' appearance.

Unspecified viral infection characterized by skin and mucous membrane lesions

Billable Code
B09
Billable

Diagnostic Criteria

  • • Generalized rash without specific viral identification

Important Notes

  • • Ensure documentation attempts to identify the viral cause.
Ancillary Codes

Additional codes that may be used with this diagnosis

R21

Rash and other nonspecific skin eruption

Use if rash is present but viral cause is not confirmed.

Frequently Asked Questions

What is the ICD-10 code for viral exanthem rash?

The ICD-10 code for unspecified viral exanthem rash is B09. For specific types like roseola, use B08.21, and for erythema infectiosum, use B08.3.

How do you code a viral rash with no specific virus identified?

Use ICD-10 code B09 for unspecified viral infection characterized by skin lesions when no specific virus is identified.

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