ICD-10 Code A90 | Dengue fever [classical dengue] Symptoms, Diagnosis, Billing

Dengue fever, also known as classical dengue, is a mosquito-borne viral infection caused by the dengue virus. It is characterized by high fever, severe headache, pain behind the eyes, joint and muscle pain, rash, and mild bleeding. Accurate coding with ICD-10 Code A90 is essential for proper diagnosis, documentation, medical billing, and public health reporting, facilitating effective patient management and resource allocation.

What is ICD-10 Code A90 for Dengue fever [classical dengue]?

ICD-10 Code A90 represents Dengue fever [classical dengue], a viral illness transmitted primarily by Aedes mosquitoes. This code is used in clinical documentation and billing when a patient presents with symptoms consistent with dengue fever. It is crucial for identifying the condition for treatment, epidemiological tracking, and ensuring appropriate healthcare resource utilization.

ICD-10 Code A90 – Clinical Definition and Explanation of Dengue fever [classical dengue]

Dengue fever [classical dengue] is caused by the dengue virus, which is transmitted through the bite of infected Aedes mosquitoes. The disease can progress rapidly, leading to severe complications if not managed appropriately. Medical attention is required to monitor symptoms and prevent potential complications.

Key Clinical Features:

• High fever (up to 104°F or 40°C)
• Severe headache and retro-orbital pain
• Muscle and joint pain (often referred to as 'breakbone fever')
• Rash that may appear 3-4 days after fever onset
• Mild bleeding manifestations (e.g., petechiae, gum bleeding)

ICD-10 Code A90 for Dengue fever [classical dengue] – SOAP Notes & Clinical Use

ICD-10 Code A90 is utilized in SOAP notes to document the patient's symptoms, assessment, and treatment plan for Dengue fever. It plays a critical role in both acute and chronic care settings, ensuring accurate communication among healthcare providers and supporting effective patient management.

What Does ICD-10 Code A90 for Dengue fever [classical dengue] Mean in SOAP Notes?

In SOAP notes, ICD-10 Code A90 connects subjective patient-reported symptoms and objective clinical findings to a formal diagnosis of Dengue fever. This code is essential for ensuring continuity of care, supporting accurate billing, and meeting EHR documentation standards.

Treatment Options for ICD-10 Code A90 – Dengue fever [classical dengue]

Dengue fever requires careful management to prevent complications. Hospitalization may be necessary for severe cases, and supportive care is critical.

Antibiotic Therapy:

• Antibiotics are not indicated for viral infections like dengue.
• Supportive care is the primary treatment approach.

Supportive Care:

• Hydration with oral or intravenous fluids to prevent dehydration.
• Pain relief with acetaminophen; avoid NSAIDs due to bleeding risk.
• Monitoring for warning signs of severe dengue.

Infection Control:

• Implement mosquito control measures to prevent further transmission.
• Educate patients on avoiding mosquito bites during outbreaks.
• Encourage the use of insect repellent and protective clothing.

How to Document Symptoms of Dengue fever [classical dengue] (ICD-10 A90) in SOAP Notes

Subjective:

• Patient reports high fever for 3 days.
• Complains of severe headache and joint pain.
• Noticed a rash developing after fever onset.
• History of recent travel to endemic area.

Objective:

• Vital signs: Temperature 102°F, pulse 100 bpm.
• Physical exam shows rash on trunk and extremities.
• Mild conjunctival injection noted.
• Laboratory tests show thrombocytopenia.

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SOAP Note Guidelines for Diagnosing Dengue fever [classical dengue] (ICD-10 Code A90)

Assessment:

• Diagnosis: Dengue fever [classical dengue], mild severity.
• ICD-10 Code: A90.
• Contributing factors: Recent travel to endemic region.
• Symptoms consistent with viral infection.

Plan:

• Administer hydration therapy as needed.
• Provide acetaminophen for fever and pain management.
• Educate patient on warning signs of severe dengue.
• Schedule follow-up in 48 hours to monitor progress.

Treatment & Plan Section for ICD-10 Code A90 – Dengue fever [classical dengue]

• Hydration therapy to maintain fluid balance.
• Acetaminophen for pain and fever relief.
• Monitoring for signs of severe dengue.
• Patient education on symptom management and prevention.

Using ICD-10 Code A90 for Dengue fever [classical dengue] in Billing & SOAP Note Compliance

• Ensure accurate documentation of symptoms and history.
• Use A90 in appropriate clinical settings, including ER and inpatient care.
• Document all relevant findings under Subjective (S) and Objective (O).
• Align treatment plans with clinical guidelines to support billing.

Related ICD-10 Codes Often Used with Dengue fever [classical dengue]

• A91 – Dengue hemorrhagic fever
• A92.0 – Dengue fever due to dengue virus 1
• A92.1 – Dengue fever due to dengue virus 2
• A92.2 – Dengue fever due to dengue virus 3

ICD-10 Code A90 in Medical Billing and Insurance for Dengue fever [classical dengue]

ICD-10 Code A90 is crucial for billing in hospital, ER, or infectious disease care settings, ensuring accurate reimbursement and compliance.

Billing Notes:

• Document all relevant patient history and symptoms clearly.
• Use A90 in settings where dengue fever is diagnosed or treated.
• Include key chart elements such as vital signs and lab results.
• Ensure coding aligns with clinical documentation for accurate claims.

Common CPT Pairings: