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v1.0.0
ICD-10 Guide
ICD-10 CodesB06

B06

Acute upper respiratory infections of unspecified site

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 B06 is a billable code used to indicate a diagnosis of acute upper respiratory infections of unspecified site.

Key Diagnostic Point:

Acute upper respiratory infections (URIs) of unspecified site encompass a variety of viral infections that primarily affect the upper respiratory tract, including the nose, throat, and sinuses. These infections are commonly caused by viruses such as rhinoviruses, coronaviruses, and adenoviruses. Symptoms typically include nasal congestion, sore throat, cough, sneezing, and sometimes fever. The condition is often self-limiting, with most patients recovering within a week to ten days. Vaccination considerations are minimal for URIs, as there are no specific vaccines for the majority of viral pathogens responsible for these infections. However, influenza vaccination is recommended as it can prevent complications associated with influenza-related URIs. Complications can arise, particularly in vulnerable populations, leading to conditions such as sinusitis, otitis media, or exacerbation of chronic respiratory diseases like asthma. Accurate coding is essential to ensure proper management and reimbursement, as URIs are one of the most common reasons for outpatient visits.

Code Complexity Analysis

Complexity Rating: Low

Low Complexity

Complexity Factors

  • Lack of specificity in the diagnosis
  • Commonality of the condition leading to potential overcoding
  • Variability in clinical presentation
  • Limited documentation requirements

Audit Risk Factors

  • Inconsistent documentation of symptoms
  • Failure to specify the duration of symptoms
  • Misuse of the code for chronic conditions
  • Inadequate differentiation from other respiratory infections

Specialty Focus

Medical Specialties

Primary Care

Documentation Requirements

Documentation should include a detailed history of symptoms, duration, and any relevant past medical history.

Common Clinical Scenarios

Patients presenting with cough, sore throat, and nasal congestion without a clear diagnosis.

Billing Considerations

Ensure that the documentation reflects the acute nature of the infection and excludes chronic conditions.

Pediatrics

Documentation Requirements

Pediatric documentation should include growth and development considerations, as well as vaccination history.

Common Clinical Scenarios

Children presenting with URIs, often accompanied by fever and irritability.

Billing Considerations

Consider age-specific symptoms and potential complications in young children.

Coding Guidelines

Inclusion Criteria

Use B06 When
  • According to ICD
  • 10 coding guidelines, B06 should be used when the specific site of the upper respiratory infection is not documented
  • Coders should ensure that the diagnosis is acute and not chronic

Exclusion Criteria

Do NOT use B06 When
No specific exclusions found.

Related Codes

Child Codes

10 codes
B06.0
Acute nontraumatic hemorrhage of right adrenal gland
B06.00
Rubella with neurological complication, unspecified
B06.01
Rubella encephalitis
B06.02
Rubella meningitis
B06.09
Other neurological complications of rubella
B06.8
Other specified acute upper respiratory infections
B06.81
Rubella pneumonia
B06.82
Rubella arthritis
B06.89
Other rubella complications
B06.9
Viral infection of unspecified site, unspecified.

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for a follow-up visit for a patient with URI symptoms.

Documentation Requirements

Document the patient's history, examination findings, and treatment plan.

Specialty Considerations

Primary care providers should ensure thorough documentation to support the visit level.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more detailed coding of respiratory infections, but B06 remains a broad category that requires careful documentation to avoid misclassification.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more detailed coding of respiratory infections, but B06 remains a broad category that requires careful documentation to avoid misclassification.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more detailed coding of respiratory infections, but B06 remains a broad category that requires careful documentation to avoid misclassification.

Resources

Clinical References

  • •
    CDC - Common Cold

Coding & Billing References

  • •
    CDC - Common Cold

Frequently Asked Questions

When should I use code B06?

Use code B06 when a patient presents with acute upper respiratory infection symptoms without a specified site or when the specific viral cause is not documented.