B27.09

Gammaherpesviral mononucleosis with other complications

Billable / specific

B27.09 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

  • Hepatomegaly in gammaherpesviral mononucleosis

Includes (from B27)

  • diseases generally recognized as communicable or transmissible
  • glandular fever
  • monocytic angina
  • Pfeiffer's disease

Excludes2

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

  • carrier or suspected carrier of infectious disease (Z22.-) (from B27)
  • certain localized infections - see body system-related chapters (from B27)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from B27)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from B27)
  • influenza and other acute respiratory infections (J00-J22) (from B27)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from B27)

Also known as

  • Hepatomegaly in gammaherpesviral mononucleosis
  • Adenitis, epidemic, acute
  • Adenitis, infectious
  • Hepatomegaly, in mononucleosis, gammaherpesviral
  • Mononucleosis, infectious, Epstein-Barr, with complication NEC
  • Mononucleosis, infectious, gammaherpesviral, with complication NEC

Parent code

  • B27.0Gammaherpesviral mononucleosisHeader

Related codes

  • B27.00Gammaherpesviral mononucleosis without complicationBillable
  • B27.01Gammaherpesviral mononucleosis with polyneuropathyBillable
  • B27.02Gammaherpesviral mononucleosis with meningitisBillable

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