DocScrib
How it WorksPricingBlog
Sign InSign UpBook a Demo
DocScrib

AI-powered medical documentation platform streamlining healthcare workflows through intelligent transcription and clinical note generation.

Book a Demo

Product

  • Medical Templates
  • Pricing
  • Integrations
  • Security & Compliance

Resources

  • Blog
  • Documentation
  • Case Studies

Contact

  • support@docscrib.com
  • +1 (555) 123-4567
  • 123 Healthcare Blvd
    Medical District, CA 90210
© 2025 DocScrib. All rights reserved.
Privacy PolicyTerms of ServiceCookie Policy
Home/Diagnosis/ICD-10 Coding for Acute Febrile Illness

ICD-10 Coding for Acute Febrile Illness

R50.9
R50.81
A90

Complete ICD-10-CM coding and documentation guide for icd-10 coding for acute febrile illness includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
AFI
Fever of Unknown Origin
Join 10,000+ Happy Clinicians

The AI Medical Scribe for Happiest Clinicians

Save 2+ hours daily with instant clinical documentation.
Our AI scribe listens, understands, and generates comprehensive medical notes so you can focus on patient care.

Start Free Trial
No credit card required•HIPAA compliant
Recording Controls
Start recording to see live transcription
Live Conversation - Try For Free!
Real-time transcription with automatic speaker identification

Ready to Record

Start recording to see live conversation transcription

Key Information: ICD-10 Coding for Acute Febrile Illness

Essential facts and insights about ICD-10 Coding for Acute Febrile Illness

Use ICD-10 code R50.9 for fever, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Fever, unspecified

Billable Code
R50.9
Billable

Diagnostic Criteria

  • • Fever present without known cause

Applicable To

  • • Fever NOS

Important Notes

  • • Ensure documentation supports the absence of a definitive diagnosis.

Fever presenting with conditions classified elsewhere

Billable Code
R50.81
Billable

Diagnostic Criteria

  • • Fever documented with a known underlying condition

Applicable To

  • • Fever with known underlying condition

Important Notes

  • • Ensure the underlying condition is documented and coded.

Dengue fever

Billable Code
A90
Billable

Diagnostic Criteria

  • • Positive dengue NS1 antigen or PCR

Applicable To

  • • Dengue fever with hemorrhagic manifestations

Important Notes

  • • Ensure lab confirmation is documented.
Frequently Asked Questions

What is the ICD-10 code for acute febrile illness?

The ICD-10 code for unspecified fever, often used for acute febrile illness when no specific diagnosis is made, is R50.9.

How do you code fever with a known underlying condition?

When fever is associated with a known condition, code the underlying condition first, followed by R50.81 for the fever.

Quick Navigation
All DiagnosesICD-10 Codes

Related Resources

How Medical Coding WorksBrowse All Codes