Convert to ICD-10-CM: 
518.84 converts approximately to:
- 2015/16 ICD-10-CM J96.20 Acute and chronic respiratory failure, unspecified whether with hypoxia or hypercapnia
 ICD-9-CM Volume 2 Index entries containing back-references to 
518.84:
- Failure, failed respiration, respiratory 518.81 respiration, respiratory 518.81 
 
- Respiration
- Respiratory - see also condition