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R09.0

⚠ Non-billable (Header)

Asphyxia and hypoxemia

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with R09.0

  • • asphyxia due to carbon monoxide (T58.-)
  • • asphyxia due to foreign body in respiratory tract (T17.-)
  • • birth (intrauterine) asphyxia (P84)
  • • hyperventilation (R06.4)
  • • traumatic asphyxia (T71.-)

❌ Excludes1

inherited from R09

Rules from parent category R09: Other symptoms and signs involving the circulatory and respiratory system

  • • acute respiratory distress syndrome (J80)
  • • respiratory arrest of newborn (P28.81)
  • • respiratory distress syndrome of newborn (P22.0)
  • • respiratory failure (J96.-)
  • • respiratory failure of newborn (P28.5)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • hypercapnia (R06.89)

Child Codes (2)

R09.01AsphyxiaR09.02Hypoxemia

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Code Information

CodeR09.0
BillableNo — Header code
ParentR09
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes110 rule(s)
Excludes21 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)