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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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B25-B34
Other viral diseases
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B33-
Other viral diseases, not elsewhere classified
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2021 ICD-10-CM Diagnosis Code B33.4
2021 ICD-10-CM Diagnosis Code B33.4
Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- B33.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM B33.4 became effective on October 1, 2020.
- This is the American ICD-10-CM version of B33.4 - other international versions of ICD-10 B33.4 may differ.
Applicable To- Hantavirus disease with pulmonary manifestations
- Sin nombre virus disease
Use AdditionalUse Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as B33.4. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
B33.4 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
B33.4:
- Hantavirus pulmonary syndrome
ICD-10-CM B33.4 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 865 Viral illness with mcc
- 866 Viral illness without mcc
Convert B33.4 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
Code annotations containing back-references to B33.4:
- Disease, diseased - see also Syndrome
- Hantavirus, with pulmonary manifestations B33.4
- sin nombre virus B33.4
- viral, virus B34.9 - see also Disease, by type of virus
ICD-10-CM Diagnosis Code B34.9
Viral infection, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Hanta (with renal manifestations) (Dobrava) (Puumala) (Seoul) A98.5
ICD-10-CM Diagnosis Code A98.5
Hemorrhagic fever with renal syndrome
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Epidemic hemorrhagic fever
- Korean hemorrhagic fever
- Russian hemorrhagic fever
- Hantaan virus disease
- Hantavirus disease with renal manifestations
- Nephropathia epidemica
- Songo fever
Type 1 Excludes- hantavirus (cardio)-pulmonary syndrome (B33.4)
- with pulmonary manifestations B33.4 (Andes) (Bayou) (Bermejo) (Black Creek Canal) (Choclo) (Juquitiba) (Laguna negra) (Lechiguanas) (New York) (Oran) (Sin nombre)
- Sin nombre B33.4 (Hantavirus) (cardio)-pulmonary syndrome)
- Hantavirus disease (with renal manifestations) (Dobrava) (Puumala) (Seoul) A98.5
ICD-10-CM Diagnosis Code A98.5
Hemorrhagic fever with renal syndrome
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Epidemic hemorrhagic fever
- Korean hemorrhagic fever
- Russian hemorrhagic fever
- Hantaan virus disease
- Hantavirus disease with renal manifestations
- Nephropathia epidemica
- Songo fever
Type 1 Excludes- hantavirus (cardio)-pulmonary syndrome (B33.4)
- with pulmonary manifestations B33.4 (Andes) (Bayou) (Bermejo) (Black Creek Canal) (Choclo) (Juquitiba) (Laguna negra) (Lechiguanas) (New York) (Oran) (Sin nombre)
- Sin Nombre virus disease B33.4 (Hantavirus) (cardio)-pulmonary syndrome)
- Syndrome - see also Disease
- hantavirus B33.4 (cardio)-pulmonary (HPS) (HCPS)
ICD-10-CM Codes Adjacent To B33.4
B33 Other viral diseases, not elsewhere classified
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
