2019/2020

  1. ICD-10-CM Codes
    2. ›
  2. A00-B99 Certain infectious and parasitic diseases
    3. ›
  3. B25-B34 Other viral diseases
    4. ›
  4. B25- Cytomegaloviral disease
    5. ›

2020 ICD-10-CM Diagnosis Code B25.8

Other cytomegaloviral diseases

    2016 2017 2018 2019 2020 Billable/Specific Code
  • B25.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM B25.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of B25.8 - other international versions of ICD-10 B25.8 may differ.
Applicable To
  • Cytomegaloviral encephalitis
The following code(s) above B25.8 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B25.8:
  • A00-B99
    2020 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B25
    ICD-10-CM Diagnosis Code B25

    Cytomegaloviral disease

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital cytomegalovirus infection (P35.1)
    • cytomegaloviral mononucleosis (B27.1-)
    Cytomegaloviral disease
Approximate Synonyms
  • Bilateral cytomegalovirus chorioretinitis
  • Bilateral cytomegalovirus retinitis
  • Cytomegaloviral colitis
  • Cytomegaloviral enteritis
  • Cytomegaloviral gastritis
  • Cytomegalovirus (cmv) colitis
  • Cytomegalovirus (cmv) enteritis
  • Cytomegalovirus (cmv) gastritis
  • Cytomegalovirus (cmv) viremia
  • Cytomegalovirus viremia
  • Gastric ulcer due to cytomegalovirus
  • Gastric ulcer due to cytomegalovirus (cmv) infection
  • Left cytomegalovirus chorioretinitis
  • Left cytomegalovirus retinitis
  • Right cytomegalovirus chorioretinitis
  • Right cytomegalovirus retinitis
  • Skin ulcer due to cytomegalovirus
  • Skin ulcer due to cytomegalovirus (cmv) infection
ICD-10-CM B25.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 865 Viral illness with mcc
  • 866 Viral illness without mcc
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert B25.8 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to B25.8:
  • Type 1 Excludes: A85
    , G05
    ICD-10-CM Diagnosis Code A85

    Other viral encephalitis, not elsewhere classified

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • specified viral encephalomyelitis NEC
    • specified viral meningoencephalitis NEC
    Type 1 Excludes
    • benign myalgic encephalomyelitis (G93.3)
    • encephalitis due to cytomegalovirus (B25.8)
    • encephalitis due to herpesvirus NEC (B10.0-)
    • encephalitis due to herpesvirus [herpes simplex] (B00.4)
    • encephalitis due to measles virus (B05.0)
    • encephalitis due to mumps virus (B26.2)
    • encephalitis due to poliomyelitis virus (A80.-)
    • encephalitis due to zoster (B02.0)
    • lymphocytic choriomeningitis (A87.2)
    ICD-10-CM Diagnosis Code G05

    Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code First
    • underlying disease, such as:
    • human immunodeficiency virus [HIV] disease (B20)
    • poliovirus (A80.-)
    • suppurative otitis media (H66.01-H66.4)
    • trichinellosis (B75)
    Type 1 Excludes
    • adenoviral encephalitis, myelitis and encephalomyelitis (A85.1)
    • congenital toxoplasmosis encephalitis, myelitis and encephalomyelitis (P37.1)
    • cytomegaloviral encephalitis, myelitis and encephalomyelitis (B25.8)
    • encephalitis, myelitis and encephalomyelitis (in) measles (B05.0)
    • encephalitis, myelitis and encephalomyelitis (in) systemic lupus erythematosus (M32.19)
    • enteroviral encephalitis, myelitis and encephalomyelitis (A85.0)
    • eosinophilic meningoencephalitis (B83.2)
    • herpesviral [herpes simplex] encephalitis, myelitis and encephalomyelitis (B00.4)
    • listerial encephalitis, myelitis and encephalomyelitis (A32.12)
    • meningococcal encephalitis, myelitis and encephalomyelitis (A39.81)
    • mumps encephalitis, myelitis and encephalomyelitis (B26.2)
    • postchickenpox encephalitis, myelitis and encephalomyelitis (B01.1-)
    • rubella encephalitis, myelitis and encephalomyelitis (B06.01)
    • toxoplasmosis encephalitis, myelitis and encephalomyelitis (B58.2)
    • zoster encephalitis, myelitis and encephalomyelitis (B02.0)

Diagnosis Index entries containing back-references to B25.8:
  • Disease, diseased - see also Syndrome
    • cytomegaloviral B25.9
      ICD-10-CM Diagnosis Code B25.9

      Cytomegaloviral disease, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      • specified NEC B25.8
  • Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
    ICD-10-CM Diagnosis Code G04.90

    Encephalitis and encephalomyelitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Ventriculitis (cerebral) NOS
    • in (due to)
      • cytomegalovirus B25.8

ICD-10-CM Codes Adjacent To B25.8
B19.11 …… with hepatic coma
B19.2 Unspecified viral hepatitis C
B19.20 …… without hepatic coma
B19.21 …… with hepatic coma
B19.9 Unspecified viral hepatitis without hepatic coma
B20 Human immunodeficiency virus [HIV] disease
B25 Cytomegaloviral disease
B25.0 Cytomegaloviral pneumonitis
B25.1 Cytomegaloviral hepatitis
B25.2 Cytomegaloviral pancreatitis
B25.8 Other cytomegaloviral diseases
B25.9 Cytomegaloviral disease, unspecified
B26 Mumps
B26.0 Mumps orchitis
B26.1 Mumps meningitis
B26.2 Mumps encephalitis
B26.3 Mumps pancreatitis
B26.8 Mumps with other complications
B26.81 Mumps hepatitis
B26.82 Mumps myocarditis
B26.83 Mumps nephritis

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

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