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B27.9 Infectious mononucleosis, unspecified
BackB27Infectious mononucleosisCategory4 →B27.0Gammaherpesviral mononucleosisCategory4 →B27.00Gammaherpesviral mononucleosis without complicationCategoryB27.01Gammaherpesviral mononucleosis with polyneuropathyCategoryB27.02Gammaherpesviral mononucleosis with meningitisCategoryB27.09Gammaherpesviral mononucleosis with other complicationsCategoryB27.1Cytomegaloviral mononucleosisCategory4 →B27.10Cytomegaloviral mononucleosis without complicationsCategoryB27.11Cytomegaloviral mononucleosis with polyneuropathyCategoryB27.12Cytomegaloviral mononucleosis with meningitisCategoryB27.19Cytomegaloviral mononucleosis with other complicationCategoryB27.8Other infectious mononucleosisCategory4 →B27.80Other infectious mononucleosis without complicationCategoryB27.81Other infectious mononucleosis with polyneuropathyCategoryB27.82Other infectious mononucleosis with meningitisCategoryB27.89Other infectious mononucleosis with other complicationCategoryB27.9Infectious mononucleosis, unspecifiedCategory4 →B27.90Infectious mononucleosis, unspecified without complicationCategoryB27.91Infectious mononucleosis, unspecified with polyneuropathyCategoryB27.92Infectious mononucleosis, unspecified with meningitisCategoryB27.99Infectious mononucleosis, unspecified with other complicationCategory
Category
B27.9
Infectious mononucleosis, unspecified
- Chapter
- I · Certain infectious and parasitic diseases
- Section
- B25-B34
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.