Convert to ICD-10-CM: 
518.81 converts approximately to:
- 2015/16 ICD-10-CM J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapniaOr: 
- 2015/16 ICD-10-CM J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia
 ICD-9-CM Volume 2 Index entries containing back-references to 
518.81:
- Failure, failed respiration, respiratory 518.81 respiration, respiratory 518.81
 
- Respiration failure 518.81 failure 518.81
 
- Respiratory - see also condition failure 518.81 failure 518.81