- 2007 HCPCS K0533
- Feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) respiratory assist device, bi-level pressure capability, with backup rate
- This is the 2007 version of HCPCS K0533 - please refer to the 2016 HCPCS code set for the latest version.
K0532 K0534 
