Q9958 HCPCS Level II code: High osmolar contrast material, up to 149 mg/ml iodine concentration, per ml
Q9958 is the HCPCS code for “High osmolar contrast material, up to 149 mg/ml iodine concentration, per ml” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
Q9958High osmolar contrast material, up to 149 mg/ml iodine concentration, per ml
Short description: Hocm <=149 mg/ml iodine, 1ml
HCPCS · United States
Medicare details
The indicators CMS publishes with Q9958 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
- Jul 1, 2005
Where Q9958 sits
- 1Q codesTemporary codes
- 2Active code Q9958High osmolar contrast material, up to 149 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 Q9958 mean?
Q9958 is the HCPCS code for “High osmolar contrast material, up to 149 mg/ml iodine concentration, per ml” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover Q9958?
CMS lists Q9958’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 Q9958
All Q codesQ9951Low osmolar contrast material, 400 or greater mg/ml iodine concentration, per mlQ9953Injection, iron-based magnetic resonance contrast agent, per mlQ9954Oral magnetic resonance contrast agent, per 100 mlQ9955Injection, perflexane lipid microspheres, per mlQ9956Injection, octafluoropropane microspheres, per mlQ9957Injection, perflutren lipid microspheres, per mlQ9959High osmolar contrast material, 150-199 mg/ml iodine concentration, per mlQ9960High 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 ml