HCPCS Level II drug code
Q9966 — Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml
In short
Q9966 is the HCPCS Level II code for low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml. CMS assigns NDCs for Iodixanol, Iomeron, Iopamidol and Isovue-200 and 4 more to it. The Medicare Part B payment limit is $0.421 per unit (October 1, 2026 through December 31, 2026).
Code
CMS HCPCS file- Descriptor
- Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml
- Short descriptor
- Locm 200-299mg/ml iodine,1ml
- Code set
- HCPCS Level II, maintained by CMS
- Effective
- Jan 1, 2008
Medicare Part B payment limit
CMS ASP fileEffective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files
Units and claim line
Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.
Enter the units to build the claim line.
NDCs billed under Q9966
CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 21 NDCs to Q9966 for Iodixanol, Iomeron, Iopamidol, Isovue-200, Isovue-250, Isovue-M-200, Omnipaque 240 and Visipaque 270. Billing units per package are CMS’s figures for this code’s unit.
| Drug | NDC (11-digit) | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| Iodixanol | 65219-0381-10 | FreseniUS Kabi USA, LLC | 10 × 100 | 1,000 |
| Iodixanol | 65219-0381-50 | FreseniUS Kabi USA, LLC | 10 × 150 | 1,500 |
| Iomeron | 00270-7250-10 | Bracco Diagnostics Inc. | 56 × 100 | 5,600 |
| Iopamidol | 70436-0124-52 | Slate Run Pharmaceuticals | 10 × 20 | 200 |
| Iopamidol | 70436-0124-82 | Slate Run Pharmaceuticals | 10 × 10 | 100 |
| Iopamidol | 70436-0125-82 | Slate Run Pharmaceuticals | 10 × 50 | 500 |
| Iopamidol | 70436-0211-80 | Slate Run Pharmaceuticals | 50 | 50 |
| Isovue-200 | 00270-1314-15 | Bracco Diagnostics Inc. | 10 × 200 | 2,000 |
| Isovue-250 | 00270-1317-02 | Bracco Diagnostics Inc. | 10 × 100 | 1,000 |
| Isovue-M-200 | 00270-1411-11 | Bracco Diagnostics Inc. | 10 × 10 | 100 |
| Omnipaque 240 | 00407-1412-10 | GE Healthcare Inc. | 10 × 10 | 100 |
| Omnipaque 240 | 00407-1412-20 | GE Healthcare Inc. | 10 × 20 | 200 |
| Omnipaque 240 | 00407-1412-30 | GE Healthcare Inc. | 10 × 50 | 500 |
| Omnipaque 240 | 00407-1412-33 | GE Healthcare Inc. | 10 × 100 | 1,000 |
| Omnipaque 240 | 00407-1412-34 | GE Healthcare Inc. | 10 × 150 | 1,500 |
| Omnipaque 240 | 00407-1412-35 | GE Healthcare Inc. | 10 × 200 | 2,000 |
| Omnipaque 240 | 00407-1412-38 | GE Healthcare Inc. | 10 × 50 | 500 |
| Visipaque 270 | 00407-2222-16 | GE Healthcare Inc. | 10 × 50 | 500 |
| Visipaque 270 | 00407-2222-17 | GE Healthcare Inc. | 10 × 100 | 1,000 |
| Visipaque 270 | 00407-2222-19 | GE Healthcare Inc. | 10 × 150 | 1,500 |
| Visipaque 270 | 00407-2222-21 | GE Healthcare Inc. | 10 × 200 | 2,000 |
Q9966: common questions
- Is Q9966 a CPT code?
- No. Q9966 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
- What NDCs are billed under Q9966?
- CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 21 NDCs under Q9966, for Iodixanol, Iomeron, Iopamidol, Isovue-200, Isovue-250 and Isovue-M-200 and 2 more. The table on this page shows each one with its billing units per package.
- What is the Medicare payment limit for Q9966?
- $0.421 per 1 ml, effective October 1, 2026 through December 31, 2026, from CMS's Part B drug payment limit file. Multiply by the units billed for the allowed amount before deductible and coinsurance. It is not a coverage decision.