R06.4

R06.4

Billable

Hyperventilation

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Rapid, deep breathing that exceeds the body's metabolic needs, often causing dizziness or tingling sensations.

Coding Tips

•Identify and code the underlying cause (anxiety, metabolic acidosis, pain, fever, etc.) separately
•Document whether hyperventilation is intentional or involuntary

Excludes 1 — Do NOT code together

psychogenic hyperventilation (F45.8)

Code Hierarchy

└R06Abnormalities of breathing └R06.4Hyperventilation