Infectious mononucleosis, unspecified without complication
Billable / specific
B27.90 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
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.
Also known as
- Mononucleosis, infectious
Parent code
- B27.9Infectious mononucleosis, unspecifiedHeader