B27.9

Non-Billable

Infectious mononucleosis, unspecified

B27.9 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • B27.90Infectious mononucleosis, unspecified without complication
  • B27.91Infectious mononucleosis, unspecified with polyneuropathy
  • B27.92Infectious mononucleosis, unspecified with meningitis
  • B27.99Infectious mononucleosis, unspecified with other complication
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