Tag - chamber
| HCPCS Codes | Description |
| C1721 | Cardioverter-defibrillator, dual chamber (implantable) |
| V2630 | Anterior chamber intraocular lens |
| V2632 | Posterior chamber intraocular lens |
| C1722 | Cardioverter-defibrillator, single chamber (implantable) |
| C1882 | Cardioverter-defibrillator, other than single or dual chamber (implantable) |
| C2621 | Pacemaker, other than single or dual chamber (implantable) |
| S8100 | Holding chamber or spacer for use with an inhaler or nebulizer; without mask |
| S8101 | Holding chamber or spacer for use with an inhaler or nebulizer; with mask |