2021 ICD-10-CM Codes for Infectious mononucleosis (B27)

Clinical Terms for Infectious mononucleosis (B27)

Infectious Mononucleosis-. A common, acute infection usually caused by the Epstein-Barr virus (HERPESVIRUS 4, HUMAN). There is an increase in mononuclear white blood cells and other atypical lymphocytes, generalized lymphadenopathy, splenomegaly, and occasionally hepatomegaly with hepatitis.

Herpesvirus 4, Human-. The type species of LYMPHOCRYPTOVIRUS, subfamily GAMMAHERPESVIRINAE, infecting B-cells in humans. It is thought to be the causative agent of INFECTIOUS MONONUCLEOSIS and is strongly associated with oral hairy leukoplakia (LEUKOPLAKIA, HAIRY;), BURKITT LYMPHOMA; and other malignancies.

Instructional Notations

Includes Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

  • glandular fever
  • monocytic angina
  • Pfeiffer's disease
    • ICD-10 Index

      • Certain infectious and parasitic diseases (A00–B99)

        • Other viral diseases (B25-B34)

            • Infectious mononucleosis (B27)
            • B27 - Infectious mononucleosis NON-BILLABLE CODE
            • B27.0 - Gammaherpesviral mononucleosis NON-BILLABLE CODE
            • B27.00 - Gammaherpesviral mononucleosis without complication BILLABLE CODE
            • B27.01 - Gammaherpesviral mononucleosis with polyneuropathy BILLABLE CODE
            • B27.02 - Gammaherpesviral mononucleosis with meningitis BILLABLE CODE
            • B27.09 - Gammaherpesviral mononucleosis with other complications BILLABLE CODE
            • B27.1 - Cytomegaloviral mononucleosis NON-BILLABLE CODE
            • B27.10 - Cytomegaloviral mononucleosis without complications BILLABLE CODE
            • B27.11 - Cytomegaloviral mononucleosis with polyneuropathy BILLABLE CODE
            • B27.12 - Cytomegaloviral mononucleosis with meningitis BILLABLE CODE
            • B27.19 - Cytomegaloviral mononucleosis with other complication BILLABLE CODE
            • B27.8 - Other infectious mononucleosis NON-BILLABLE CODE
            • B27.80 - Other infectious mononucleosis without complication BILLABLE CODE
            • B27.81 - Other infectious mononucleosis with polyneuropathy BILLABLE CODE
            • B27.82 - Other infectious mononucleosis with meningitis BILLABLE CODE
            • B27.89 - Other infectious mononucleosis with other complication BILLABLE CODE
            • B27.9 - Infectious mononucleosis, unspecified NON-BILLABLE CODE
            • B27.90 - Infectious mononucleosis, unspecified without complication BILLABLE CODE
            • B27.91 - Infectious mononucleosis, unspecified with polyneuropathy BILLABLE CODE
            • B27.92 - Infectious mononucleosis, unspecified with meningitis BILLABLE CODE
            • B27.99 - Infectious mononucleosis, unsp with other complication BILLABLE CODE