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2. ICD-10 Codes
3. Chapter - A00-B99
4. Section - B25-B34
5. Category - B27
6. B27.90

B27.90 - Infectious mononucleosis, unspecified without complication

• Applicable to Infectious mononucleosis, unspecified without complication
• The 2025 edition of ICD10-CM B27.90 became effective on October 1, 2024.
• This is the American ICD10-CM version of B27.90 - other international versions of ICD10 B27.90 may differ.
• B27.90 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above B27.90 contain annotation back-references that may be applicable to B27.90:

• Chapter: A00-B99 - Certain infectious and parasitic diseases
• Section: B25-B34 - Other viral diseases
• Category: B27 - Infectious mononucleosis

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.