C2635 HCPCS code: Brachytherapy source, non-stranded, high activity, palladium-103, greater than 2.2 mci (nist), per source
C2635 is the HCPCS Level II code for brachytherapy source, non-stranded, high activity, palladium-103, greater than 2.2 mci (nist), per source. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 124 per day on outpatient hospital claims.
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 | 2005-01-01 |
| Last action effective | 2007-07-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 124 | Clinical: Data |
| practitioner claims | 124 | Clinical: Data |
What changed for C2635
- 2005-01-01: C2635 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 C2635?
C2635 is the HCPCS Level II code for brachytherapy source, non-stranded, high activity, palladium-103, greater than 2.2 mci (nist), per source. Short descriptor: "Brachytx, non-str, ha, p-103".
Does Medicare cover C2635?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of C2635 can be billed per day?
124 on outpatient hospital claims; 124 on practitioner claims (NCCI medically unlikely edits).
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 C2635
- Watch C2635 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C2635
Sources: CMS HCPCS Level II release October 2025; 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.