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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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A90-A99
Arthropod-borne viral fevers and viral hemorrhagic fevers
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A91-
Dengue hemorrhagic fever
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2018 ICD-10-CM Diagnosis Code A91
Dengue hemorrhagic fever
2016 2017 2018 Billable/Specific Code
- A91 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2018 edition of ICD-10-CM A91 became effective on October 1, 2017.
- This is the American ICD-10-CM version of A91 - other international versions of ICD-10 A91 may differ.
The following code(s) above
A91 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
A91:
- A serious condition caused by dengue virus infection. Patients present with an acute febrile illness followed by restlessness, irritability, and bleeding. It may lead to hemorrhagic shock and death.
- A virulent form of dengue characterized by thrombocytopenia and an increase in vascular permeability (grades i and ii) and distinguished by a positive pain test (e.g., tourniquet pain test). When accompanied by shock (grades iii and iv), it is called dengue shock syndrome.
ICD-10-CM A91 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):
- 865 Viral illness with mcc
- 866 Viral illness without mcc
Convert A91 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
Code annotations containing back-references to A91:
- Bangkok hemorrhagic fever A91
- Dengue (classical) (fever) A90
ICD-10-CM Diagnosis Code A90
Dengue fever [classical dengue]
2016 2017 2018 Billable/Specific Code
Type 1 Excludes- dengue hemorrhagic fever (A91)
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
ICD-10-CM Diagnosis Code R50.9
Fever, unspecified
2016 2017 2018 Billable/Specific Code
Applicable To- Fever NOS
- Fever of unknown origin [FUO]
- Fever with chills
- Fever with rigors
- Hyperpyrexia NOS
- Persistent fever
- Pyrexia NOS
- dengue (virus) A90
ICD-10-CM Diagnosis Code A90
Dengue fever [classical dengue]
2016 2017 2018 Billable/Specific Code
Type 1 Excludes- dengue hemorrhagic fever (A91)
- hemorrhagic (arthropod-borne) A94
ICD-10-CM Diagnosis Code A94
Unspecified arthropod-borne viral fever
2016 2017 2018 Billable/Specific Code
Applicable To- Arboviral fever NOS
- Arbovirus infection NOS
- Bangkok A91
- dengue A91 (virus)
- Philippine A91
- Singapore A91
- Southeast Asia A91
- Thailand A91
- Bangkok hemorrhagic A91
- Philippine hemorrhagic A91
- Singapore hemorrhagic A91
- Southeast Asia hemorrhagic A91
- Thailand hemorrhagic A91
- Singapore hemorrhagic fever A91
- Southeast Asian hemorrhagic fever A91
- Thailand hemorrhagic fever A91
ICD-10-CM Codes Adjacent To A91
A87.1 Adenoviral meningitis
A87.2 Lymphocytic choriomeningitis
A87.8 Other viral meningitis
A87.9 Viral meningitis, unspecified
A88 Other viral infections of central nervous system, not elsewhere classified
A88.0 Enteroviral exanthematous fever [Boston exanthem]
A88.8 Other specified viral infections of central nervous system
A89 Unspecified viral infection of central nervous system
A90 Dengue fever [classical dengue]
A91
Dengue hemorrhagic fever
A92 Other mosquito-borne viral fevers
A92.0 Chikungunya virus disease
A92.1 O'nyong-nyong fever
A92.2 Venezuelan equine fever
A92.3 West Nile virus infection
A92.32 …… with other neurologic manifestation
A92.39 …… with other complications
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
