C2637 HCPCS code: Brachytherapy source, non-stranded, ytterbium-169, per source
C2637 is the HCPCS Level II code for brachytherapy source, non-stranded, ytterbium-169, per source. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met.
Code details
| Field | Value |
|---|---|
| Section | C codes — Outpatient PPS (hospital outpatient temporary codes) |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 53 |
| BETOS category | I4B |
| Added | 2005-10-01 |
| Last action effective | 2007-07-01 |
What changed for C2637
- 2005-10-01: C2637 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code C2637?
C2637 is the HCPCS Level II code for brachytherapy source, non-stranded, ytterbium-169, per source. Short descriptor: "Brachy,non-str,ytterbium-169".
Does Medicare cover C2637?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Related C26 codes
- C2613 — Lung biopsy plug with delivery system
- C2614 — Probe, percutaneous lumbar discectomy
- C2615 — Sealant, pulmonary, liquid
- C2616 — Brachytherapy source, non-stranded, yttrium-90, per source
- C2617 — Stent, non-coronary, temporary, without delivery system
- C2618 — Probe/needle, cryoablation
- C2619 — Pacemaker, dual chamber, non rate-responsive (implantable)
- C2620 — Pacemaker, single chamber, non rate-responsive (implantable)
- C2621 — Pacemaker, other than single or dual chamber (implantable)
- C2622 — Prosthesis, penile, non-inflatable
- C2623 — Catheter, transluminal angioplasty, drug-coated, non-laser
- C2624 — Implantable wireless pulmonary artery pressure sensor with delivery catheter, including all system components
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Next steps
- Run a reimbursement report for a device billed under C2637
- Watch C2637 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C2637
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.