1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B00-B09 Viral infections characterized by skin and mucous membrane lesions
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4. B08- Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified
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2018/2019 ICD-10-CM Diagnosis Code B08.21

Exanthema subitum [sixth disease] due to human herpesvirus 6

2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

• B08.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2018/2019 edition of ICD-10-CM B08.21 became effective on October 1, 2018.
• This is the American ICD-10-CM version of B08.21 - other international versions of ICD-10 B08.21 may differ.

• B08.21 is applicable to pediatric patients aged 0 - 17 years inclusive.

• Roseola infantum (hhv 6)
• Roseola infantum due to human herpesvirus 6

• 793 Full term neonate with major problems
• 865 Viral illness with mcc
• 866 Viral illness without mcc

Convert B08.21 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change

• Disease, diseased - see also Syndrome
  • sixth B08.20
    ICD-10-CM Diagnosis Code B08.20

    Exanthema subitum [sixth disease], unspecified

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

    Applicable To

    • Roseola infantum, unspecified
    • due to human herpesvirus 6 B08.21
• Exanthem, exanthema - see also Rash
  • subitum B08.20
    ICD-10-CM Diagnosis Code B08.20

    Exanthema subitum [sixth disease], unspecified

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

    Applicable To

    • Roseola infantum, unspecified
    • due to human herpesvirus 6 B08.21
• Roseola B09
  ICD-10-CM Diagnosis Code B09

  Unspecified viral infection characterized by skin and mucous membrane lesions

  2016 2017 2018 2019 Billable/Specific Code

  Applicable To

  • Viral enanthema NOS
  • Viral exanthema NOS
  • infantum B08.20
    ICD-10-CM Diagnosis Code B08.20

    Exanthema subitum [sixth disease], unspecified

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

    Applicable To

    • Roseola infantum, unspecified
    • due to human herpesvirus 6 B08.21
• Sixth disease B08.20
  ICD-10-CM Diagnosis Code B08.20

  Exanthema subitum [sixth disease], unspecified

  2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

  Applicable To

  • Roseola infantum, unspecified
  • due to human herpesvirus 6 B08.21

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.