HCPCS drug code · CMS crosswalk
Folic Acid J-Code / HCPCS Code
In short
Folic Acid is billed under HCPCS J1808 — Injection, folic acid, 0.1 mg. One billing unit is 0.1 mg. CMS's crosswalk lists 2 Folic Acid NDCs under this code.
Reference
- J1808
- Injection, folic acid, 0.1 mgBilling unit: 0.1 mg
- Labelers
- FreseniUS Kabi USA, LLC; XGen Pharmaceuticals DJB, Inc.
Medicare Part B payment limit
CMS ASP filePayment limit per unit$0.053
Per0.1 mg
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
Folic Acid units and claim line
Enter the dose given to get the J1808 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Folic Acid 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 |
|---|---|---|---|---|
| 39822-1100-01 | J1808 | XGen Pharmaceuticals DJB, Inc. | 10 | 500 |
| 63323-0184-10 | J1808 | FreseniUS Kabi USA, LLC | 10 | 500 |
Folic Acid: common questions
- What is the J-code for Folic Acid?
- Folic Acid is billed under HCPCS J1808 — Injection, folic acid, 0.1 mg. One billing unit is 0.1 mg. CMS's crosswalk lists 2 Folic Acid NDCs under this code.
- How many J1808 billing units are in a package of Folic Acid?
- CMS lists 500 billing units per package, depending on the NDC, where one unit is 0.1 mg. Units to report are based on the dose given, not the package.
- Is J1808 a CPT code?
- No. J1808 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.