|  R06 |  | Abnormalities of breathing   | 
	
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		| Excludes1 | 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)
 
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		|  R06.0 |  | Dyspnea |  
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		| Excludes1 | tachypnea NOS (R06.82) transient tachypnea of newborn (P22.1)
 
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		|  R06.00 |  | Dyspnea, unspecified |  |  |  |  | 
	
		|  R06.01 |  | Orthopnea |  |  |  |  | 
	
		|  R06.02 |  | Shortness of breath |  |  |  |  | 
	
		|  R06.03 |  | Acute respiratory distress |  |  |  |  | 
	
		|  R06.09 |  | Other forms of dyspnea |  |  | 
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		|  R06.1 |  | Stridor |  
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		| Excludes1 | congenital laryngeal stridor (P28.89) laryngismus (stridulus) (J38.5)
 
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		|  R06.2 |  | Wheezing |  
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		|  R06.3 |  | Periodic breathing |  
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		|  R06.4 |  | Hyperventilation |  
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		| Excludes1 | psychogenic hyperventilation (F45.8) 
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		|  R06.5 |  | Mouth breathing |  
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		| Excludes2 | dry mouth NOS (R68.2) 
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		|  R06.6 |  | Hiccough |  
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		| Excludes1 | psychogenic hiccough (F45.8) 
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		|  R06.7 |  | Sneezing |  | 
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		|  R06.8 |  | Other abnormalities of breathing |  |  |  | 
	
		|  R06.81 |  | Apnea, not elsewhere classified |  
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| Apnea NOS |  
		| Excludes1 | apnea (of) newborn (P28.4-) sleep apnea (G47.3-)
 sleep apnea of newborn (primary) (P28.3-)
 
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		|  R06.82 |  | Tachypnea, not elsewhere classified |  
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| Tachypnea NOS |  
		| Excludes1 | transitory tachypnea of newborn (P22.1) 
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		|  R06.83 |  | Snoring |  |  |  |  | 
	
		|  R06.89 |  | Other abnormalities of breathing |  
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| Breath-holding (spells) |  | Sighing |  |  |  | 
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		|  R06.9 |  | Unspecified abnormalities of breathing |  |