A99
BillableUnspecified viral hemorrhagic fever
Unspecified viral hemorrhagic fever
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(49)
SNOMED CT
UMLS
- Fever, Viral HemorrhagicC0019104
- Fevers, Viral HemorrhagicC0019104
- Haemorrhagic feverC0019104
- Haemorrhagic fever NOSC0019104
- Hemorrhagic FeverC0019104
- Hemorrhagic Fever, ViralC0019104
- Hemorrhagic FeversC0019104
- Hemorrhagic Fevers, ViralC0019104
- Hemorrhagic feverC0019104
- Unspecified viral hemorrhagic feverC0019104
- VHF - Viral haemorrhagic feverC0019104
- VHF - Viral hemorrhagic feverC0019104
- VHFsC0019104
- Viral Hemorrhagic FeverC0019104
- Viral Hemorrhagic FeversC0019104
- Viral haemorrhagic feverC0019104
- Viral hemorrhagic feverC0019104
- Viral hemorrhagic fever (disorder)C0019104
- fever hemorrhagicC0019104
- fever hemorrhagic viralC0019104
- fevers haemorrhagic viralC0019104
- fevers hemorrhagicC0019104
- haemorrhagic feverC0019104
- hemorrhagic feverC0019104
- viral hemorrhagic feverC0019104
- viral hemorrhagic feversC0019104
Clinical Terms
- VHF - Viral hemorrhagic fever
- hemorrhagic fever
- Viral Hemorrhagic Fever
- Haemorrhagic fever
- Viral Hemorrhagic Fevers
- Viral haemorrhagic fever
- VHFs
- Viral hemorrhagic fever (disorder)
- fevers haemorrhagic viral
- Haemorrhagic fever NOS
- Hemorrhagic Fevers
- Hemorrhagic Fever, Viral
- Hemorrhagic Fevers, Viral
- Fever, Viral Hemorrhagic
- fevers hemorrhagic
- fever hemorrhagic viral
- Fevers, Viral Hemorrhagic
- fever hemorrhagic
- VHF - Viral haemorrhagic fever
Frequently Asked Questions
What is the ICD-10 code for unspecified viral hemorrhagic fever?
The ICD-10-CM code for unspecified viral hemorrhagic fever is A99. The full clinical description is "Unspecified viral hemorrhagic fever". A99 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A99 mean?
ICD-10-CM code A99 represents “Unspecified viral hemorrhagic fever”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is A99 a billable code?
Yes, A99 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A99 in?
A99 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A99?
A99 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with A99?
Yes, when using A99, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A99 map to?
A99 maps to 1 SNOMED CT concept: 240523007. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A99?
A99 is linked to 1 UMLS Concept Unique Identifier: C0019104. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A99 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified viral hemorrhagic fever affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of A99?
A99 maps to the ICD-11 code: 1D4Z (Arthropod-borne viral fever, virus unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.