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HCPCS J1957 · Level II · Part B drug

HCPCS J1957: Injection, levetiracetam, 5 mg

Reviewed by QuickIntell RCM Editorial Team · Last reviewed

Data effective
Data currency: ASP payment limits October 2026 (effective October 1, 2026); MUE and NCCI edits 2026 Q4 (effective October 1, 2026); OPPS Addendum B July 2026 (effective July 1, 2026). Next CMS release: January 1, 2027 (ASP, MUE, NCCI and OPPS quarterly updates).

Key facts for J1957

Billing unit
5 MG
Injection levetiracetam 5 mg
ASP payment limit
$0.013
October 2026
Practitioner MUE
none published
CMS publishes no MUE for this code
OPPS status
not in Addendum B
NCCI exposure
no PTP pairs
Coverage articles
0
none list this code

TL;DR

HCPCS J1957 is the Level II code for Injection, levetiracetam, 5 mg, billed per 5 MG. The Medicare Part B ASP payment limit for October 2026 is $0.013 per billing unit. J1957 is billed in units of 5 MG; the quantity administered, the NDC package and the units on the claim must reconcile, which is the check that prevents CARC 16 and 151 returns on this line. The ASP crosswalk maps 15 NDCs to it, sold as Levetiracetam, Keppra by Hikma Pharmaceuticals USA Inc., Pfizer Inc, Sagent Pharmaceuticals. No current Billing and Coding Article lists J1957, so coverage follows the FDA label, compendia and any applicable NCD.

Medicare Part B payment limit (ASP)

CMS sets the Part B payment limit for J1957 at $0.013 per 5 MG for October 2026, derived from manufacturer average sales price plus 6%. Beneficiary coinsurance is 20%.

ASP payment limits for J1957
QuarterPayment limitPerCoinsurance
October 2026$0.0135 MG20%
July 2026n/a5 MG—
CMS note: Added October 2026

NDC to HCPCS billing-unit conversion

The October 2026 ASP crosswalk maps 15 NDCs from 10 labelers to J1957. Report the NDC in the claim's drug segment and bill the number of J1957 units that equals the quantity administered divided by 5 MG; the last column gives units per full package.

NDCs that crosswalk to J1957
NDCDrug nameLabelerPackage sizeBilling units / package
00143-9574-25LevetiracetamHikma Pharmaceuticals USA Inc.5 × 252500
00143-9673-25LevetiracetamHikma Pharmaceuticals USA Inc.5 × 252500
00409-1886-02LevetiracetamPfizer Inc5 × 252500
00409-2011-25LevetiracetamPfizer Inc5 × 252500
25021-0780-05LevetiracetamSagent Pharmaceuticals5 × 101000
50474-0002-63KeppraUCB, Inc.5 × 101000
55150-0177-05LevetiracetamEugia US LLC5 × 101000
63323-0400-05LevetiracetamFreseniUS Kabi USA, LLC5 × 101000
63323-0400-44LevetiracetamFreseniUS Kabi USA, LLC5 × 101000
67457-0790-05LevetiracetamMylan Institutional LLC5 × 101000
72205-0120-07LevetiracetamNovadoz Pharmaceuticals LLC5 × 101000
72205-0120-25LevetiracetamNovadoz Pharmaceuticals LLC5 × 252500
72485-0106-10LevetiracetamArmas Pharmaceuticals Inc.5 × 101000
72485-0106-25LevetiracetamArmas Pharmaceuticals Inc.5 × 252500
72572-0360-25LevetiracetamCivica, Inc.5 × 252500

Medically Unlikely Edits (MUE)

CMS does not publish an MUE for J1957 in the 2026 Q4 tables. Some MUE values are confidential and applied without publication, so unit limits can still deny; document the dose and the units calculation on every claim.

NCCI edits and add-on relationships

No active practitioner PTP pair lists J1957 as a column-1 or column-2 code in v323r0. Drug supply codes are rarely bundled; the administration codes billed with them are where PTP edits usually apply.

J1957 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.

Medicare coverage articles

No current Billing and Coding Article lists J1957 in its HCPCS table. Coverage then follows the drug's FDA label, compendia and any National Coverage Determination; check the Medicare Coverage Database before administering off-label.

Common denials for J1957 and how to prevent them

NDC missing, invalid or not matched to the HCPCS code

units billed exceed the MUE for the date of service

diagnosis not covered by the applicable coverage article or LCD

How QuickIntell checks J1957 before the claim leaves

QuickCode validates the NDC-to-unit conversion against the current ASP crosswalk, checks units against every published MUE setting and flags PTP and add-on conflicts on the same claim. QuickRCM routes CARC 16, 151 and 50 denials on drug lines with the matching coverage article attached so the appeal starts with evidence.

Frequently asked questions — HCPCS J1957

What does HCPCS code J1957 describe?

J1957 is defined by CMS as "Injection, levetiracetam, 5 mg". Each billing unit represents 5 MG, so the units reported on the claim must equal the dose administered divided by that unit.

What is the Medicare reimbursement for J1957 in October 2026?

The ASP-based payment limit is $0.013 per 5 MG, with 20% beneficiary coinsurance. Medicare Administrative Contractors apply this limit; commercial payers use their own fee schedules.

Which NDCs map to J1957?

The October 2026 ASP crosswalk lists 15 NDCs from 10 labelers: Levetiracetam (Hikma Pharmaceuticals USA Inc.); Levetiracetam (Pfizer Inc); Levetiracetam (Sagent Pharmaceuticals); Keppra (UCB, Inc.). For example NDC 00143-9574-25 is a 5 package equal to 2500 billing units. The crosswalk's billing-units-per-package figure converts each package into J1957 units.

Does J1957 have NCCI bundling edits?

No active practitioner PTP pairs list J1957 as a column-1 or column-2 code in the v323r0 release. Unit limits (MUE) and medical-necessity coverage rules still apply.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-02. Verify against the primary file before billing or contracting decisions.

Disclaimer

This page is an operational reference compiled from CMS publications: the Medicare Part B drug payment limit and NDC crosswalk files, NCCI MUE and add-on edit tables, aggregate PTP statistics, OPPS Addendum B and the Medicare Coverage Database. Payment limits are Medicare national amounts; commercial and Medicaid payers differ. CPT codes are shown as numbers only; CPT descriptors are copyright AMA. Nothing here is legal, clinical or billing advice.