Diagnosis Code


Code Information

Diagnosis Code: B25.9

Short Description: Cytomegaloviral disease, unspecified

Long Description: Cytomegaloviral disease, unspecified

The code B25.9 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Other viral diseases (B25-B34)
      • Cytomegaloviral disease (B25)
        • B25.9 Cytomegaloviral disease, unspecified

Code Version: 2022 ICD-10-CM


  • Cytomegalovirus infection
  • Cytomegalovirus infection of the central nervous system
  • Cytomegalovirus viremia
  • Disseminated cytomegalovirus infection
  • Infection caused by Cytomegalovirus co-occurrent with human immunodeficiency virus infection
  • Myelitis caused by Cytomegalovirus
  • Myelitis caused by Human herpes virus
  • Viremia

Diagnostic Related Group(s)

The code B25.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Viral Illness With Mcc (865)
  • Viral Illness Without Mcc (866)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
B25.9 Right Arrow 078.5 Cytomegaloviral disease

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
B25 Cytomegaloviral disease
B25.0 Cytomegaloviral pneumonitis
B25.1 Cytomegaloviral hepatitis
B25.2 Cytomegaloviral pancreatitis
B25.8 Other cytomegaloviral diseases

This page was last updated on: 10/1/2021