ICD-10-CM 2027
ICD-10 code for Hyperventilation dyspnea
From the official ICD-10-CM alphabetic index entry “Dyspnea (nocturnal) (paroxysmal) › hyperventilation”. Page updated September 29, 2026.
About coding Hyperventilation dyspnea
The ICD-10-CM code for Hyperventilation dyspnea is R06.4 (Hyperventilation).
Within R06 (abnormalities of breathing), R06.4 is specifically for Hyperventilation. Related codes cover dyspnea (R06.0), Stridor (R06.1), Wheezing (R06.2), periodic breathing (R06.3), mouth breathing (R06.5), Hiccough (R06.6), Sneezing (R06.7), other abnormalities of breathing (R06.8) and 1 more.
Don't report R06.4 together with the conditions in its Excludes1 note: psychogenic hyperventilation (F45.8).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for R06.4)
- psychogenic hyperventilation (F45.8)
Common questions about Hyperventilation dyspnea ICD-10 codes
What is the ICD-10 code for Hyperventilation dyspnea?
- R06.4 — Hyperventilation.
Is R06.4 billable?
- Yes. R06.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R06.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R06.4 as a principal diagnosis.
Is R06.4 a CC or MCC?
- No. R06.4 is neither a CC nor an MCC under MS-DRG v44.0.