R06.4 Hyperventilation

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• psychogenic hyperventilation (F45.8)

Applies from R06 Abnormalities of breathing

Excludes1 (never code together)

• acute respiratory distress syndrome (J80)
• respiratory arrest (R09.2)
• respiratory arrest of newborn (P28.81)
• respiratory distress syndrome of newborn (P22.-)
• respiratory failure (J96.-)
• respiratory failure of newborn (P28.5)

MS-DRG index

Defines the logic of DRG(s) 204 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 786.01 Hyperventilation

Code annotations containing back-references to R06.4

Back-references to R06.4

• Type 1 Excludes: R09.0 Asphyxia and hypoxemia ("hyperventilation (R06.4)")

Back-references to R06

• Code Also: E20.810 Autosomal dominant hypocalcemia ("respiratory distress (J80, R06.-)")

Diagnosis Index entries for R06.4

• Dyspnea (nocturnal) (paroxysmal) › hyperventilation
• Hyperventilation (tetany)
• Tetany (due to) › hyperpnea
• Tetany (due to) › hyperventilation

Nearby codes

• R06.03 Acute respiratory distress
• R06.09 Other forms of dyspnea
• R06.1 Stridor
• R06.2 Wheezing
• R06.3 Periodic breathing
• R06.4 Hyperventilation (this code)
• R06.5 Mouth breathing
• R06.6 Hiccough
• R06.7 Sneezing
• R06.8 Other abnormalities of breathing
• R06.81 Apnea, not elsewhere classified