B27Non-billable (header)

Infectious mononucleosis

Related Codes· Other viral diseases (B25-B34)

B25Cytomegaloviral diseaseB26MumpsB30Viral conjunctivitisB33Other viral diseases, not elsewhere classifiedB34Viral infection of unspecified site

Sub-codes of B27(4)

B27 is a non-billable header. Select a sub-code to bill.

B27.0Gammaherpesviral mononucleosisHeaderB27.1Cytomegaloviral mononucleosisHeaderB27.8Other infectious mononucleosisHeaderB27.9Infectious mononucleosis, unspecifiedHeader

✓ Includes

  • •glandular fever
  • •monocytic angina
  • •Pfeiffer's disease

Code Hierarchy

┌1Certain infectious and parasitic diseases (A00-B99)├B25-B34Other viral diseases (B25-B34)├B27Infectious mononucleosis
└B27Infectious mononucleosis

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