A9526 HCPCS Level II code: Nitrogen n-13 ammonia, diagnostic, per study dose, up to 40 millicuries
A9526 is the HCPCS code for “Nitrogen n-13 ammonia, diagnostic, per study dose, up to 40 millicuries” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A9526Nitrogen n-13 ammonia, diagnostic, per study dose, up to 40 millicuries
Short description: Nitrogen n-13 ammonia
HCPCS · United States
Medicare details
The indicators CMS publishes with A9526 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Statute
- Type of service
- Diagnostic radiology
- BETOS category
- Standard imaging - nuclear medicine
- Added
- Jan 1, 2004
Where A9526 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A9526Nitrogen n-13 ammonia, diagnostic, per study dose, up to 40 millicuries
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 A9526 mean?
A9526 is the HCPCS code for “Nitrogen n-13 ammonia, diagnostic, per study dose, up to 40 millicuries” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A9526?
CMS lists A9526’s Medicare coverage as “Carrier judgment” and its pricing as “Statute”. 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 A9526
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