B08.21

Exanthema subitum [sixth disease] due to human herpesvirus 6

Billable / specific

B08.21 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Roseola infantum due to human herpesvirus 6

Includes (from B08)

  • diseases generally recognized as communicable or transmissible

Excludes1

Not coded here — never report together with this code.

  • vesicular stomatitis virus disease (A93.8) (from B08)

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-) (from B08)
  • certain localized infections - see body system-related chapters (from B08)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from B08)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from B08)
  • influenza and other acute respiratory infections (J00-J22) (from B08)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from B08)

Also known as

  • Roseola infantum due to human herpesvirus 6
  • Disease, diseased, sixth, due to human herpesvirus 6
  • Exanthem, exanthema, subitum, due to human herpesvirus 6
  • Roseola, infantum, due to human herpesvirus 6
  • Sixth disease, due to human herpesvirus 6

Parent code

  • B08.2Exanthema subitum [sixth disease]Header

Related codes

  • B08.20Exanthema subitum [sixth disease], unspecifiedBillable
  • B08.22Exanthema subitum [sixth disease] due to human herpesvirus 7Billable

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