G9638 HCPCS Level II code: Final reports without documentation of one or more dose reduction techniques (e.g., automated exposure control, adjustment of the ma and/or kv according to…
G9638 is the HCPCS code for “Final reports without documentation of one or more dose reduction techniques (e.g., automated exposure control, adjustment of the ma and/or kv according to patient size, use of iterative…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9638Final reports without documentation of one or more dose reduction techniques (e.g., automated exposure control, adjustment of the ma and/or kv according to patient size, use of iterative reconstruction technique)
Short description: No doc >1 dose reduc tech
HCPCS · United States
Medicare details
The indicators CMS publishes with G9638 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2016
Where G9638 sits
- 1G codesProcedures and professional services
- 2Active code G9638Final reports without documentation of one or more dose reduction techniques (e.g., automated exposure control, adjustment of the ma and/or kv according to patient size, use of iterative reconstruction technique)
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G9638 mean?
G9638 is the HCPCS code for “Final reports without documentation of one or more dose reduction techniques (e.g., automated exposure control, adjustment of the ma and/or kv according to patient size, use of iterative reconstruction technique)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9638?
CMS lists G9638’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G9638
All G codesG9632Documented medical reasons for not reporting ureter injury (e.g., gynecologic or other pelvic malignancy documented, concurrent surgery involving bladder pathology, injury that…G9633Patient did not sustain ureter injury at the time of surgery nor discovered subsequently up to 30 days post-surgeryG9634Health-related quality of life assessed with tool during at least two visits and quality of life score remained the same or improvedG9635Health-related quality of life not assessed with tool for documented reason(s) (e.g., patient has a cognitive or neuropsychiatric impairment that impairs his/her ability to…G9636Health-related quality of life not assessed with tool during at least two visits or quality of life score declinedG9637Final reports with documentation of one or more dose reduction techniques (e.g., automated exposure control, adjustment of the ma and/or kv according to patient size, use of…G9639Major amputation or open surgical bypass not required within 48 hours of the index endovascular lower extremity revascularization procedureG9640Documentation of planned hybrid or staged procedureG9641Major amputation or open surgical bypass required within 48 hours of the index endovascular lower extremity revascularization procedureG9642Current smoker (e.g., cigarette, cigar, pipe, e-cigarette or marijuana)G9643Elective surgeryG9644Patients who abstained from smoking prior to anesthesia on the day of surgery or procedure