No. Q9950 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.

What NDCs are billed under Q9950?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 4 NDCs under Q9950, for Lumason and Lumason Novaplus. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for Q9950?

$18.052 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.

Q9950 HCPCS Code: Lumason, Lumason Novaplus

In short

Q9950 is the HCPCS Level II code for injection, sulfur hexafluoride lipid microspheres, per ml. CMS assigns NDCs for Lumason and Lumason Novaplus to it. The Medicare Part B payment limit is $18.052 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeQ9950

Billing unitSee descriptor

Descriptor: Injection, sulfur hexafluoride lipid microspheres, per ml
Short descriptor: Inj sulf hexa lipid microsph
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2024

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$18.052

Per1 ml

Coinsurance20%

Effective 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.

HCPCS units

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the units to build the claim line.

NDCs billed under Q9950

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 4 NDCs to Q9950 for Lumason and Lumason Novaplus. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to Q9950 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Lumason	00270-7097-07	Bracco Diagnostics Inc.	20 × 5	100
Lumason	00270-7099-16	Bracco Diagnostics Inc.	5 × 5	25
Lumason Novaplus	00270-7097-08	Bracco Diagnostics Inc.	20 × 5	100
Lumason Novaplus	00270-7099-73	Bracco Diagnostics Inc.	5 × 5	25

Q9950: common questions

Is Q9950 a CPT code?: No. Q9950 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 Q9950?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 4 NDCs under Q9950, for Lumason and Lumason Novaplus. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for Q9950?: $18.052 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.

Q9950 — Injection, sulfur hexafluoride lipid microspheres, per ml