2022 ICD-10-CM Diagnosis Code B34.9

Viral infection, unspecified

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • B34.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2022 edition of ICD-10-CM B34.9 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of B34.9 - other international versions of ICD-10 B34.9 may differ.
Applicable To
  • Viremia NOS
The following code(s) above B34.9 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 B34.9:
  • A00-B99
    2022 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
  • B34
    ICD-10-CM Diagnosis Code B34

    Viral infection of unspecified site

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • anogenital human papillomavirus infection (A63.0)
    • cytomegaloviral disease NOS (B25.9)
    • herpesvirus [herpes simplex] infection NOS (B00.9)
    • retrovirus infection NOS (B33.3)
    • viral agents as the cause of diseases classified elsewhere (B97.-)
    • viral warts due to human papillomavirus infection (B07)
    Viral infection of unspecified site
Approximate Synonyms
  • Maternal viral disease complicating pregnancy
  • Maternal viral disease in pregnancy
  • Postpartum (after childbirth) viral disease
  • Postpartum viral disease
  • Viral disease
  • Viral infection
  • Viral syndrome
  • Viremia
Clinical Information
  • A general term for diseases produced by viruses.
  • Any disease caused by a virus.
  • Disease produced by viruses.
  • The presence of viruses in the blood.
  • Viruses are capsules with genetic material inside. They are very tiny, much smaller than bacteria. Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as hiv/aids, smallpox and hemorrhagic fevers. viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This eventually kills the cells, which can make you sick.viral infections are hard to treat because viruses live inside your body's cells. They are "protected" from medicines, which usually move through your bloodstream. Antibiotics do not work for viral infections. There are a few antiviral medicines available. Vaccines can help prevent you from getting many viral diseases.
ICD-10-CM B34.9 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
  • 865 Viral illness with mcc
  • 866 Viral illness without mcc

Convert B34.9 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change

Diagnosis Index entries containing back-references to B34.9:
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
    ICD-10-CM Diagnosis Code M19.90

    Unspecified osteoarthritis, unspecified site

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Arthrosis NOS
    • Arthritis NOS
    • Osteoarthritis NOS
    • in (due to)
      • viral disease NEC B34.9 - see also category M01
  • Disease, diseased - see also Syndrome
  • Infection, infected, infective (opportunistic) B99.9
    ICD-10-CM Diagnosis Code B99.9

    Unspecified infectious disease

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • Otitis (acute) H66.90
    ICD-10-CM Diagnosis Code H66.90

    Otitis media, unspecified, unspecified ear

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    • externa H60.9-
      ICD-10-CM Diagnosis Code H60.9-

      Unspecified otitis externa

        2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
      • in (due to)
        • viral disease NEC B34.9
  • Syndrome - see also Disease
    • virus B34.9
  • Viremia B34.9

ICD-10-CM Codes Adjacent To B34.9
B33.3 Retrovirus infections, not elsewhere classified
B33.4 Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
B33.8 Other specified viral diseases
B34 Viral infection of unspecified site
B34.0 Adenovirus infection, unspecified
B34.1 Enterovirus infection, unspecified
B34.2 Coronavirus infection, unspecified
B34.3 Parvovirus infection, unspecified
B34.4 Papovavirus infection, unspecified
B34.8 Other viral infections of unspecified site
B34.9 Viral infection, unspecified
B35 Dermatophytosis
B35.0 Tinea barbae and tinea capitis
B35.1 Tinea unguium
B35.2 Tinea manuum
B35.3 Tinea pedis
B35.4 Tinea corporis
B35.5 Tinea imbricata
B35.6 Tinea cruris
B35.8 Other dermatophytoses
B35.9 Dermatophytosis, unspecified

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