In short

CMS assigns Levetiracetam NDCs to 2 HCPCS codes: J1957 (per 5 mg), J1958 (per 5 mg). Which one applies depends on the product; the table lists each NDC with its code.

J1957 code detailsJ1958 code details

Reference

J1957
Injection, levetiracetam, 5 mgBilling unit: 5 mg
J1958
Injection, levetiracetam in sodium chloride, 5 mgBilling unit: 5 mg
Labelers
Armas Pharmaceuticals Inc.; B. Braun Medical Inc.; Baxter Healthcare Corporation; Caplin Steriles USA Inc.; Civica, Inc.; Dr. Reddy's Laboratories Inc.; Eugia US LLC; FreseniUS Kabi USA, LLCand 8 more

Medicare Part B payment limit

CMS ASP file
Payment limit per unit$0.013
Per5 mg
Coinsurance20%

Effective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. CMS note: Added October 2026. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files

Medicare Part B payment limit

CMS ASP file
Payment limit per unit$0.033
Per5 mg
Coinsurance20%

Effective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. CMS note: Added October 2026. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files

Levetiracetam units and claim line

Enter the dose given to get the J1957 units and the NDC line for the CMS-1500 and the 837P. This builds the J1957 line; use the code page for J1958.

Enter the dose given to build the claim line.

Levetiracetam 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.

Levetiracetam NDCs in the CMS ASP crosswalk
NDC (11-digit)HCPCSLabelerPackageBilling units per package
00143-9574-25J1957Hikma Pharmaceuticals USA Inc.25 × 52500
00143-9673-25J1957Hikma Pharmaceuticals USA Inc.25 × 52500
00409-1886-02J1957Pfizer Inc25 × 52500
00409-2011-25J1957Pfizer Inc25 × 52500
25021-0780-05J1957Sagent Pharmaceuticals10 × 51000
55150-0177-05J1957Eugia US LLC10 × 51000
63323-0400-05J1957FreseniUS Kabi USA, LLC10 × 51000
63323-0400-44J1957FreseniUS Kabi USA, LLC10 × 51000
67457-0790-05J1957Mylan Institutional LLC10 × 51000
72205-0120-07J1957Novadoz Pharmaceuticals LLC10 × 51000
72205-0120-25J1957Novadoz Pharmaceuticals LLC25 × 52500
72485-0106-10J1957Armas Pharmaceuticals Inc.10 × 51000
72485-0106-25J1957Armas Pharmaceuticals Inc.25 × 52500
72572-0360-25J1957Civica, Inc.25 × 52500
00143-9281-10J1958Hikma Pharmaceuticals USA Inc.10 × 1001000
00143-9282-10J1958Hikma Pharmaceuticals USA Inc.10 × 1002000
00143-9283-10J1958Hikma Pharmaceuticals USA Inc.10 × 1003000
00264-1009-90J1958B. Braun Medical Inc.24 × 1004800
00264-1509-90J1958B. Braun Medical Inc.24 × 1007200
00264-5009-90J1958B. Braun Medical Inc.24 × 1002400
14789-0110-05J1958Nexus Pharmaceuticals, LLC10 × 1001000
14789-0220-10J1958Nexus Pharmaceuticals, LLC10 × 1002000
14789-0330-15J1958Nexus Pharmaceuticals, LLC10 × 1003000
25021-0793-82J1958Sagent Pharmaceuticals10 × 1001000
25021-0794-82J1958Sagent Pharmaceuticals10 × 1002000
25021-0795-82J1958Sagent Pharmaceuticals10 × 1003000
36000-0352-40J1958Baxter Healthcare Corporation24 × 1002400
36000-0354-40J1958Baxter Healthcare Corporation24 × 1007200
36000-0356-40J1958Baxter Healthcare Corporation24 × 1004800
43598-0635-10J1958Dr. Reddy's Laboratories Inc.10 × 1001000
43598-0636-10J1958Dr. Reddy's Laboratories Inc.10 × 1002000
43598-0637-10J1958Dr. Reddy's Laboratories Inc.10 × 1003000
43598-0755-10J1958Dr. Reddy's Laboratories Inc.10 × 1001000
43598-0757-10J1958Dr. Reddy's Laboratories Inc.10 × 1002000
43598-0759-10J1958Dr. Reddy's Laboratories Inc.10 × 1003000
44567-0501-10J1958WG Critical Care, LLC10 × 1001000
44567-0501-90J1958WG Critical Care, LLC10 × 1001000
44567-0502-10J1958WG Critical Care, LLC10 × 1002000
44567-0503-10J1958WG Critical Care, LLC10 × 1003000
55150-0246-47J1958Eugia US LLC10 × 1001000
55150-0247-47J1958Eugia US LLC10 × 1002000
55150-0248-47J1958Eugia US LLC10 × 1003000
65145-0173-10J1958Caplin Steriles USA Inc.10 × 1001000
65145-0174-10J1958Caplin Steriles USA Inc.10 × 1002000
65145-0175-10J1958Caplin Steriles USA Inc.10 × 1003000
65219-0042-71J1958FreseniUS Kabi USA, LLC24 × 1002400
65219-0044-71J1958FreseniUS Kabi USA, LLC24 × 1004800
65219-0046-71J1958FreseniUS Kabi USA, LLC24 × 1007200
67457-0255-10J1958Mylan Institutional LLC10 × 1001000
67457-0265-10J1958Mylan Institutional LLC10 × 1002000
67457-0266-10J1958Mylan Institutional LLC10 × 1003000
70069-0845-10J1958Somerset Pharma, LLC10 × 1001000
70069-0846-10J1958Somerset Pharma, LLC10 × 1002000
70069-0847-10J1958Somerset Pharma, LLC10 × 1003000

Levetiracetam: common questions

What is the J-code for Levetiracetam?
CMS assigns Levetiracetam NDCs to 2 HCPCS codes: J1957 (per 5 mg), J1958 (per 5 mg). Which one applies depends on the product; the table lists each NDC with its code.
How many J1957 billing units are in a package of Levetiracetam?
CMS lists 1,000 to 2,500 billing units per package, depending on the NDC, where one unit is 5 mg. Units to report are based on the dose given, not the package.
How many J1958 billing units are in a package of Levetiracetam?
CMS lists 1,000 to 7,200 billing units per package, depending on the NDC, where one unit is 5 mg. Units to report are based on the dose given, not the package.
Is J1957 a CPT code?
No. J1957 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.

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