Generic J2185 · Antibiotics

MEROPENEM IV 1 GM VIAL

MEROPENEM IV 1 GM VIAL, a generic antibiotic with a $5.71 acquisition cost, often shows significant pricing gaps between wholesale purchase and hospital billing rates.

By Priya Iyengar , Senior Billing Analyst · Published March 15, 2026 · Updated April 3, 2026

Data from CMS files published FY 2024 CMS IPPS. Refreshed weekly.

About the analyst

Priya Iyengar leads the billing code review team at BillRazor Research. She analyzes NCCI bundling edits, DRG coding, and regional rate variation. Expertise: NCCI bundling, DRG analysis, regional pricing.

NADAC acquisition cost data

CMS drug pricing benchmarks

Updated 2026-04-03

Drug acquisition cost — MEROPENEM IV 1 GM VIAL

Hospital charges for this drug vary — typically 3–8x the acquisition cost. No observed hospital charge data is available for this specific drug.

$5.71

NADAC acquisition cost

INJECTABLE

Dosage form

INJECTION

Route

Meropenem IV is a broad-spectrum antibiotic used to treat severe bacterial infections in hospital settings. This generic injectable antibiotic typically requires prior authorization and generates higher facility charges compared to oral alternatives due to IV administration requirements.

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Research suggests 49–80% of hospital bills contain errors. Our system checks every line item against Medicare benchmarks.

Common billing errors — Antibiotics charges

Antibiotic billing errors frequently involve substantial charges above the benchmark, with hospital markups ranging from 200-800% over the $3.05 average NADAC acquisition cost. Common duplicate billing occurs when patients receive both brand-name antibiotics like Zithromax and their generic equivalents such as azithromycin on the same statement, creating potential differences of $15-50 per duplicate entry. Generic substitution discrepancies appear when hospitals bill for expensive brand formulations but actually dispense generic versions, with potential differences reaching $25-75 per medication. IV-to-oral conversion billing represents another frequent issue, where patients continue being charged for intravenous antibiotic administration fees after switching to oral forms of the same medication. Additionally, dosing calculation errors often result in charges for antibiotic quantities that exceed prescribed amounts, particularly with liquid formulations where billing systems may round up to full vial quantities regardless of actual usage.

What to check on your bill

When reviewing antibiotic charges on your hospital bill, examine the medication administration section for specific drug names, dosages, and frequency. Look for line items showing "IV push," "IV piggyback," or "oral administration" fees, which may appear separately from the drug cost itself. Check if generic antibiotics like ceftriaxone or azithromycin show charges above the benchmark compared to brand names. Verify that the number of doses billed matches your actual treatment days - a 7-day course should not show 10-12 doses unless medically documented. Review pharmacy preparation fees, particularly for IV antibiotics requiring reconstitution or special mixing. Compare similar antibiotic classifications on your bill, as therapeutic equivalents can show significant cost differences. Examine any "stat dose" or "urgent preparation" charges, which typically cost more than routine scheduled medications. Look for duplicate entries where the same antibiotic appears under different service codes or departments. Cross-reference antibiotic start and stop dates with your medical records to identify any potential difference in billing periods versus actual treatment duration.

Rates shown are from the 2026 Medicare Physician Fee Schedule and CMS IPPS. BillRazor compares your bill against these data sources. See how it works →

FAQ — Antibiotics billing

What is the average acquisition cost for antibiotic medications?

Based on NADAC data, the average acquisition cost for antibiotics is $3.05. This benchmark represents the national average price that pharmacies pay to acquire these medications from wholesalers or manufacturers.

How many different antibiotic drugs are included in standard billing classifications?

There are 46 different antibiotic drugs tracked in this therapeutic class for billing purposes. This classification helps healthcare organizations and payers analyze prescription costs and utilization patterns across the antibiotic category.

How should billing departments handle charges above the NADAC benchmark for antibiotics?

Charges above the benchmark of $3.05 should be documented and reviewed according to your organization's pricing policies. The potential difference between billed amounts and the NADAC benchmark may require justification or adjustment based on payer contracts and reimbursement terms.

What billing considerations apply when processing antibiotic prescription claims?

Antibiotic claims should be processed using appropriate drug codes and compared against the $3.05 average acquisition cost benchmark. Billing staff should verify that charges align with contracted rates and document any instances where costs exceed standard benchmarks for audit and compliance purposes.

Related pricing data

More Antibiotics drugs

Data source: National Average Drug Acquisition Cost (NADAC) survey, published by CMS. HCPCS drug pricing codes from Medicare Part B Drug Average Sales Price file.

What NADAC means: The average price pharmacies pay to acquire this drug from wholesalers. Hospital charges for the same drug are typically higher due to facility fees, compounding, and administration costs.

Limitations: NADAC reflects pharmacy acquisition cost, not patient out-of-pocket cost. Insurance copays, formulary tiers, and manufacturer rebates affect what patients actually pay.