2020 ICD-10-CM Diagnosis Code B33

Other viral diseases, not elsewhere classified

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • B33 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM B33 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of B33 - other international versions of ICD-10 B33 may differ.
The following code(s) above B33 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 B33:
  • 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
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
ICD-10-CM Codes Adjacent To B33
B27.91 …… with polyneuropathy
B27.92 …… with meningitis
B27.99 …… with other complication
B30 Viral conjunctivitis
B30.0 Keratoconjunctivitis due to adenovirus
B30.1 Conjunctivitis due to adenovirus
B30.2 Viral pharyngoconjunctivitis
B30.3 Acute epidemic hemorrhagic conjunctivitis (enteroviral)
B30.8 Other viral conjunctivitis
B30.9 Viral conjunctivitis, unspecified
B33 Other viral diseases, not elsewhere classified
B33.0 Epidemic myalgia
B33.1 Ross River disease
B33.2 Viral carditis
B33.20 …… unspecified
B33.21 Viral endocarditis
B33.22 Viral myocarditis
B33.23 Viral pericarditis
B33.24 Viral cardiomyopathy
B33.3 Retrovirus infections, not elsewhere classified
B33.4 Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]

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