HCPCS drug code · CMS crosswalk
Magnesium Sulfate in 5% Dextrose J-Code / HCPCS Code
In short
Magnesium Sulfate in 5% Dextrose is billed under HCPCS J3475 — Injection, magnesium sulfate, per 500 mg. One billing unit is 500 mg. CMS's crosswalk lists 1 Magnesium Sulfate in 5% Dextrose NDC under this code.
Reference
- J3475
- Injection, magnesium sulfate, per 500 mgBilling unit: 500 mg
- Labelers
- Pfizer Inc
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
Magnesium Sulfate in 5% Dextrose units and claim line
Enter the dose given to get the J3475 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Magnesium Sulfate in 5% Dextrose NDCs and billing units
From CMS’s ASP NDC–HCPCS crosswalk, effective October 1, 2026 through December 31, 2026. Billing units per package are CMS’s figures for the code’s unit.
| NDC (11-digit) | HCPCS | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| 00409-6727-23 | J3475 | Pfizer Inc | 24 × 100 | 48 |
Magnesium Sulfate in 5% Dextrose: common questions
- What is the J-code for Magnesium Sulfate in 5% Dextrose?
- Magnesium Sulfate in 5% Dextrose is billed under HCPCS J3475 — Injection, magnesium sulfate, per 500 mg. One billing unit is 500 mg. CMS's crosswalk lists 1 Magnesium Sulfate in 5% Dextrose NDC under this code.
- How many J3475 billing units are in a package of Magnesium Sulfate in 5% Dextrose?
- CMS lists 48 billing units per package, depending on the NDC, where one unit is 500 mg. Units to report are based on the dose given, not the package.
- Is J3475 a CPT code?
- No. J3475 is a HCPCS Level II code from CMS for the drug itself. Giving it, for example by injection or infusion, is usually reported with a separate CPT administration code.