Home › Drug Codes › J Codes › J0743 · IMIPENEM-CILASTATIN SODIUM
Updated July 1st, 2026

IMIPENEM-CILASTATIN SODIUM J Code: J0743

Injection, cilastatin sodium; imipenem, per 250 mg

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Q4 2026 Medicare Payment Limit for J0743, effective October 1, 2026: $6.796 per HCPCS billing unit, up 4.3% from $6.517. From CMS's final file.

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Medicare Payment Limit ?
$6.517
/ HCPCS billing unit · Q3 2026
APC Payment Limit ?
Not published
CMS publishes none for Q3 2026
ASP ?
$•••.••
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WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
11
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Drug & Product Overview

HCPCS Descriptor Injection, cilastatin sodium; imipenem, per 250 mg
HCPCS Added Date January 1, 1993
Manufacturer Multiple Manufacturers
Route of Administration Intravenous
Generic Status Multi-Source; Generic
Dosage Type Single-Dose
Dosage Form Injection, Powder, For Solution

About IMIPENEM-CILASTATIN SODIUM

Imipenem-cilastatin Sodium is a medication aligned to the HCPCS J Code: J0743 for billing, pricing, and reimbursement purposes in the United States. Classified under Antibiotic, it is administered via the intravenous route and manufactured by multiple companies.

According to CMS Drug Use Information: This medication is used to treat a wide variety of bacterial infections. This medication is known as a carbapenem-type antibiotic. It works by stopping the growth of bacteria.

Disclaimer: This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional.

NDC Code Information

Based on publicly available CMS files. Showing 5 of 11 NDCs — log in for the full crosswalk.

NDC Code Drug Manufacturer Billing Units / Pkg Package Size
00006-3516-59 Primaxin Iv Merck Sharp & Dohme LLC 50 500 MG / 100 ML
44567-0705-10 Imipenem and Cilastatin WG Critical Care, LLC 20 500 MG
63323-0322-25 Imipenem and Cilastatin Fresenius Kabi USA, LLC 50 500 MG / 20 ML
63323-0322-93 Imipenem and Cilastatin Fresenius Kabi USA, LLC 50 500 MG / 20 ML
63323-0349-25 Imipenem and Cilastatin Fresenius Kabi USA, LLC 25 250 MG / 20 ML
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IMIPENEM-CILASTATIN SODIUM
IMIPENEM-CILASTATIN SODIUM
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IMIPENEM-CILASTATIN SODIUM Pricing & Reimbursement

J0743 Private Payer Reimbursement
$7.92 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

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UnitedHealthcare, BlueCross BlueShield, Aetna, Cigna

Historical Graphing and Billing Calculator

per HCPCS unit
As of Q3 2026

IMIPENEM-CILASTATIN SODIUM CPT Administration Codes

The below list of CPT codes is intended for informational purposes only and may not be exhaustive. CPT® codes and descriptions are copyright American Medical Association (AMA). All rights reserved.

CPT Code Description
96365 Intravenous infusion, for therapy, prophylaxis, or diagnosis (specify substance or drug); initial, up to 1 hour
96366 Intravenous infusion, for therapy, prophylaxis, or diagnosis (specify substance or drug); each additional hour (List separately in addition to code for primary procedure)
Not on the CMS JW / JZ list

CMS does not include Imipenem-cilastatin Sodium (J0743) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J0743. Wastage billing guide →

IMIPENEM-CILASTATIN SODIUM Medically Unlikely Edits (MUE)

The most billing units of J0743 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 250 mg.

Practitioner Office & Hospital Outpatient
16 units / day
= 4,000 mg per day

MAI 3 · Date of Service Edit: Clinical. Per-day limit based on clinical expectations; excess units are denied but may be appealed with documentation of medical necessity. See all MUE limits →

mg Enter a dose to see how many billing units it is and whether it is under the limit.

IMIPENEM-CILASTATIN SODIUM Clinical Information

Indications and drug classification.

Treated Diseases & Conditions

This list of indications is not exhaustive and may be subject to errors. The information on BuyandBill.com is intended for informational purposes only and should not be used for medical advice.

Bacterial Septicemia Bone and Joint Infections Endocarditis Gynecologic Infections Intra-Abdominal Infections Lower Respiratory Tract Infections Skin and Skin Structure Infections Urinary Tract Infections (complicated and uncomplicated)
Drug Class
Carbapenems [CS]Dipeptidase Inhibitors [MoA]Penem Antibacterial [EPC]Renal Dehydropeptidase Inhibitor [EPC]

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Frequently Asked Questions

Is there an available Imipenem-Cilastatin Sodium billing and coding guide?
We have not yet identified a manufacturer source of Imipenem-Cilastatin Sodium billing and coding information.
Are there any available Imipenem-Cilastatin Sodium patient assistance programs?
Our team did not identify a source for Imipenem-Cilastatin Sodium patient assistance information. Please reach out to our team if you feel that this is a mistake.
Where can I find Imipenem-Cilastatin Sodium prescribing information?
IMIPENEM-CILASTATIN SODIUM prescribing information can be found at the link below. Please reach out to us if you believe this information to be innacurate or out of date. Visit Here →
Where can I find Imipenem-Cilastatin Sodium side effect information?
Our team has not yet identified a source of side effects information for IMIPENEM-CILASTATIN SODIUM. Please check back in a few weeks.
Does billing IMIPENEM-CILASTATIN SODIUM require JZ/JW wastage modifiers?
CMS does not include IMIPENEM-CILASTATIN SODIUM (J0743) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J0743. For more information, visit the link below.

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