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ICD-10-CM Current in FY 2027

B27.12

Cytomegaloviral mononucleosis with meningitis

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where B27.12 sits in the official hierarchy. Each level is the code it is classified under.

  1. B27 Infectious mononucleosis
  2. B27.1 Parent Cytomegaloviral mononucleosis
  3. B27.12 This code Cytomegaloviral mononucleosis with meningitis

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

glandular fever

Inherited from B27 — Infectious mononucleosis

Includes

monocytic angina

Inherited from B27 — Infectious mononucleosis

Includes

Pfeiffer's disease

Inherited from B27 — Infectious mononucleosis

Version History

How B27.12 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Cytomegaloviral mononucleosis with meningitis

  2. FY 2026 Effective

    Unchanged

    Cytomegaloviral mononucleosis with meningitis

Related Codes

Other codes under B27.1

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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