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v1.0.0
ICD-10 Guide
ICD-10 CodesR09.0

R09.0

Asphyxia and hypoxemia

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R09.0 is a billable code used to indicate a diagnosis of asphyxia and hypoxemia.

Key Diagnostic Point:

Asphyxia and hypoxemia refer to conditions characterized by inadequate oxygen supply to the body, leading to a state of oxygen deprivation. Asphyxia can result from various causes, including airway obstruction, drowning, choking, or suffocation, while hypoxemia specifically denotes low oxygen levels in the blood. Clinically, patients may present with symptoms such as cyanosis (bluish discoloration of the skin), altered mental status, tachycardia, and respiratory distress. Laboratory findings may include arterial blood gas analysis showing low partial pressure of oxygen (PaO2) and elevated carbon dioxide levels (hypercapnia). The severity of symptoms can vary based on the duration and cause of the oxygen deprivation. Immediate recognition and intervention are critical to prevent irreversible damage to vital organs, particularly the brain and heart.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes leading to asphyxia and hypoxemia.
  • Need for precise documentation of clinical findings and symptoms.
  • Differentiation from other respiratory conditions.
  • Potential for misclassification with similar codes.

Audit Risk Factors

  • Inadequate documentation of the cause of asphyxia or hypoxemia.
  • Failure to specify acute vs. chronic conditions.
  • Misuse of related codes leading to upcoding or downcoding.
  • Lack of supporting lab results in the medical record.

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed history of present illness, including onset and duration of symptoms, and any relevant past medical history.

Common Clinical Scenarios

Patients presenting with chronic respiratory conditions exacerbated by acute hypoxemia.

Billing Considerations

Ensure documentation reflects the severity and underlying cause to support the diagnosis.

Emergency Medicine

Documentation Requirements

Immediate assessment findings, including vital signs, oxygen saturation levels, and interventions performed.

Common Clinical Scenarios

Acute respiratory distress due to choking, drowning, or severe asthma attacks.

Billing Considerations

Rapid documentation is essential; ensure all interventions and patient responses are recorded.

Coding Guidelines

Inclusion Criteria

Use R09.0 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation and that the code reflects the patient's condition accurately
  • Use additional codes to specify the underlying cause when applicable

Exclusion Criteria

Do NOT use R09.0 When
No specific exclusions found.

Related CPT Codes

94640CPT Code

Pressurized inhalation treatment

Clinical Scenario

Used in cases of acute asthma exacerbation leading to hypoxemia.

Documentation Requirements

Document the patient's response to treatment and any changes in oxygen saturation.

Specialty Considerations

Emergency medicine providers should ensure timely documentation of interventions.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like asphyxia and hypoxemia, improving the accuracy of clinical data and reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like asphyxia and hypoxemia, improving the accuracy of clinical data and reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between asphyxia and hypoxemia?

Asphyxia refers to a condition where there is a lack of oxygen due to airway obstruction or other factors, while hypoxemia specifically indicates low oxygen levels in the blood, which can occur due to various respiratory or circulatory issues.