Q9966 HCPCS Level II code: Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml
Q9966 is the HCPCS code for “Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
Q9966Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml
Short description: Locm 200-299mg/ml iodine,1ml
HCPCS · United States
Medicare details
The indicators CMS publishes with Q9966 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Drugs
- Type of service
- Diagnostic radiology
- BETOS category
- Standard imaging - nuclear medicine
- Added
- Jan 1, 2008
Where Q9966 sits
- 1Q codesTemporary codes
- 2Active code Q9966Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml
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 Q9966 mean?
Q9966 is the HCPCS code for “Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover Q9966?
CMS lists Q9966’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Drugs”. 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 Q9966
All Q codesQ9960High osmolar contrast material, 200-249 mg/ml iodine concentration, per mlQ9961High osmolar contrast material, 250-299 mg/ml iodine concentration, per mlQ9962High osmolar contrast material, 300-349 mg/ml iodine concentration, per mlQ9963High osmolar contrast material, 350-399 mg/ml iodine concentration, per mlQ9964High osmolar contrast material, 400 or greater mg/ml iodine concentration, per mlQ9965Low osmolar contrast material, 100-199 mg/ml iodine concentration, per mlQ9967Low osmolar contrast material, 300-399 mg/ml iodine concentration, per mlQ9968Injection, non-radioactive, non-contrast, visualization adjunct (e.g., methylene blue, isosulfan blue), 1 mgQ9969Tc-99m from non-highly enriched uranium source, full cost recovery add-on, per study doseQ9970Injection, ferric carboxymaltose, 1mgQ9972Injection, epoetin beta, 1 microgram, (for esrd on dialysis)Q9973Injection, epoetin beta, 1 microgram, (non-esrd use)