HCPCS Level II · Outpatient PPS (temporary codes)
C1721Cardioverter-defibrillator, dual chamber (implantable)
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About C1721
C1721 is an HCPCS Level II code in the C series (outpatient PPS (temporary codes)), describing cardioverter-defibrillator, dual chamber (implantable).
It was added to HCPCS effective 04/01/2001, and its current record took effect 01/01/2004.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Aicd, dual chamber
- Date added
- 04/01/2001
- Action effective
- 01/01/2004
- BETOS
- D1A
Related C17xx codes
- C1713Anchor/screw for opposing bone-to-bone or soft tissue-to-bone (implantable)
- C1714Catheter, transluminal atherectomy, directional
- C1715Brachytherapy needle
- C1716Brachytherapy source, non-stranded, gold-198, per source
- C1717Brachytherapy source, non-stranded, high dose rate iridium-192, per source
- C1719Brachytherapy source, non-stranded, non-high dose rate iridium-192, per source
- C1722Cardioverter-defibrillator, single chamber (implantable)
- C1724Catheter, transluminal atherectomy, rotational
- C1725Catheter, transluminal angioplasty, non-laser (may include guidance, infusion/perfusion capability)
- C1726Catheter, balloon dilatation, non-vascular
- C1727Catheter, balloon tissue dissector, non-vascular (insertable)
- C1728Catheter, brachytherapy seed administration
Common questions about C1721
Is HCPCS C1721 still valid?
- Yes. C1721 is active in the CMS October 2026 HCPCS file.
Does Medicare cover C1721?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.