R06 Abnormalities of breathing

Category / Non-billable header 19 subcodes

Block: Symptoms and signs involving the circulatory and respiratory systems (R00-R09)

Excludes 1 (cannot be coded 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)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
R06..0 Dyspnea No
R06..00 Dyspnea, unspecified Yes
R06..01 Orthopnea Yes
R06..02 Shortness of breath Yes
R06..03 Acute respiratory distress Yes
R06..09 Other forms of dyspnea Yes
R06..1 Stridor Yes
R06..2 Wheezing Yes
R06..3 Periodic breathing Yes
R06..4 Hyperventilation Yes
R06..5 Mouth breathing Yes
R06..6 Hiccough Yes
R06..7 Sneezing Yes
R06..8 Other abnormalities of breathing No
R06..81 Apnea, not elsewhere classified Yes
R06..82 Tachypnea, not elsewhere classified Yes
R06..83 Snoring Yes
R06..89 Other abnormalities of breathing Yes
R06..9 Unspecified abnormalities of breathing Yes

Last reviewed: September 2026