HCPCS Level II · Outpatient PPS (temporary codes)
C2644Brachytherapy source, cesium-131 chloride solution, per millicurie
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About C2644
C2644 is an HCPCS Level II code in the C series (outpatient PPS (temporary codes)), describing brachytherapy source, cesium-131 chloride solution, per millicurie.
It was added to HCPCS effective 07/01/2014, and its current record took effect 01/01/2019.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Brachytx cesium-131 chloride
- Date added
- 07/01/2014
- Action effective
- 01/01/2019
- BETOS
- I4B
Related C26xx codes
- C2613Lung biopsy plug with delivery system
- C2614Probe, percutaneous lumbar discectomy
- C2615Sealant, pulmonary, liquid
- C2616Brachytherapy source, non-stranded, yttrium-90, per source
- C2617Stent, non-coronary, temporary, without delivery system
- C2618Probe/needle, cryoablation
- C2619Pacemaker, dual chamber, non rate-responsive (implantable)
- C2620Pacemaker, single chamber, non rate-responsive (implantable)
- C2621Pacemaker, other than single or dual chamber (implantable)
- C2622Prosthesis, penile, non-inflatable
- C2623Catheter, transluminal angioplasty, drug-coated, non-laser
- C2624Implantable wireless pulmonary artery pressure sensor with delivery catheter, including all system components
Common questions about C2644
Is HCPCS C2644 still valid?
- Yes. C2644 is active in the CMS October 2026 HCPCS file.
Does Medicare cover C2644?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.