2021 ICD-10-CM Diagnosis Code B08.20

Exanthema subitum [sixth disease], unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Pediatric Dx (0-17 years)
  • B08.20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM B08.20 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of B08.20 - other international versions of ICD-10 B08.20 may differ.
ICD-10-CM Coding Rules
  • B08.20 is applicable to pediatric patients aged 0 - 17 years inclusive.
Applicable To
  • Roseola infantum, unspecified
The following code(s) above B08.20 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B08.20:
  • A00-B99
    2021 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B08
    ICD-10-CM Diagnosis Code B08

    Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • vesicular stomatitis virus disease (A93.8)
    Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified
  • B08.2
    ICD-10-CM Diagnosis Code B08.2

    Exanthema subitum [sixth disease]

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Roseola infantum
    Exanthema subitum [sixth disease]
Approximate Synonyms
  • Exanthema subitum
  • Roseola infantum
Clinical Information
  • An acute, short-lived, viral disease of infants and young children characterized by a high fever at onset that drops to normal after 3-4 days and the concomitant appearance of a macular or maculopapular rash that appears first on the trunk and then spreads to other areas. It is the sixth of the classical exanthematous diseases and is caused by hhv-6; (herpesvirus 6, human). (from Dorland, 27th ed)
ICD-10-CM B08.20 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems
  • 865 Viral illness with mcc
  • 866 Viral illness without mcc

Convert B08.20 to ICD-9-CM

Code History
  • 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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to B08.20:

ICD-10-CM Codes Adjacent To B08.20
B08.0 Other orthopoxvirus infections
B08.01 Cowpox and vaccinia not from vaccine
B08.010 Cowpox
B08.011 Vaccinia not from vaccine
B08.02 Orf virus disease
B08.03 Pseudocowpox [milker's node]
B08.04 Paravaccinia, unspecified
B08.09 Other orthopoxvirus infections
B08.1 Molluscum contagiosum
B08.2 Exanthema subitum [sixth disease]
B08.20 …… unspecified
B08.21 …… due to human herpesvirus 6
B08.22 …… due to human herpesvirus 7
B08.3 Erythema infectiosum [fifth disease]
B08.4 Enteroviral vesicular stomatitis with exanthem
B08.5 Enteroviral vesicular pharyngitis
B08.6 Parapoxvirus infections
B08.60 Parapoxvirus infection, unspecified
B08.61 Bovine stomatitis
B08.62 Sealpox
B08.69 Other parapoxvirus infections

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