A4638
HCPCSRepl batt pulse gen sys
Official HCPCS Level II long descriptor
Replacement battery for patient-owned ear pulse generator, each
HCPCS Level II code A4638 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Repl batt pulse gen sys
Added to HCPCS: 2004-01-01
Nearby codes in A4
- A4628Oropharyngeal suction cath
- A4629Tracheostomy care kit
- A4630Repl bat t.e.n.s. own by pt
- A4633Uvl replacement bulb
- A4634Replacement bulb th lightbox
- A4635Underarm crutch pad
- A4636Handgrip for cane etc
- A4637Repl tip cane/crutch/walker
- A4639Infrared ht sys replcmnt pad
- A4640Alternating pressure pad
- A4641Radiopharm dx agent noc
- A4642In111 satumomab
- A4648Implantable tissue marker
- A4649Surgical supplies
- A4650Implant radiation dosimeter
- A4651Calibrated microcap tube
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.