ICD-10 Code B27.99 – Infectious mononucleosis, unspecified with other complication (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Infectious mononucleosis, unspecified with other complication is B27.99.2026 ICD-10-CM Diagnosis Code B27.99 – Infectious mononucleosis, unspecified with other complication Related ICD-10 Codes Parent code: B27 – Infectious mononucleosis Other codes in same category: B27.0 – Gammaherpesviral mononucleosis, B27.00 – Gammaherpesviral mononucleosis without complication, B27.01 – Gammaherpesviral mononucleosis with polyneuropathy, B27.02 –…