ICD-9-CM procedure code (retired)
93.99 — Other respiratory procedures
About ICD-9-CM 93.99
93.99 is an ICD-9-CM procedure code for other respiratory procedures. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.
The CMS General Equivalence Mappings translate it to 10 ICD-10-PCS codes, such as 5A0920Z (Assistance with Respiratory Filtration, Continuous), 5A09359 (Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Continuous Negative Airway Pressure) and 5A0935B (Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Intermittent Negative Airway Pressure). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 5A0920ZAssistance with Respiratory Filtration, Continuousapproximate
- 5A09359Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Continuous Negative Airway Pressureapproximate
- 5A0935BAssistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Intermittent Negative Airway Pressureapproximate
- 5A0935ZAssistance with Respiratory Ventilation, Less than 24 Consecutive Hoursapproximate
- 5A09459Assistance with Respiratory Ventilation, 24-96 Consecutive Hours, Continuous Negative Airway Pressureapproximate
- 5A0945BAssistance with Respiratory Ventilation, 24-96 Consecutive Hours, Intermittent Negative Airway Pressureapproximate
- 5A0945ZAssistance with Respiratory Ventilation, 24-96 Consecutive Hoursapproximate
- 5A09559Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Continuous Negative Airway Pressureapproximate
- 5A0955BAssistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Intermittent Negative Airway Pressureapproximate
- 5A0955ZAssistance with Respiratory Ventilation, Greater than 96 Consecutive Hoursapproximate
Common questions about 93.99
What is the ICD-10 code for ICD-9 93.99?
- The GEMs map 93.99 to ICD-10-PCS 5A0920Z, 5A09359, 5A0935B, 5A0935Z, 5A09459, 5A0945B and 4 more.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.