Isoniazid
Pricing Report NDC 0185-4350-10

Latest NADAC: $0.14459 per EA · Effective May 23, 2018 · Est. package price $144.59 (1000 EA)

Current Package Pricing Information

This product is EXCLUDED from the official NDC directory because the listing data was discontinued by the firm.

The latest wholesale acquisition cost for Isoniazid (NDC 0185-4350-10) is $0.14459 per EA. This benchmark price is based on the National Average Drug Acquisition Cost (NADAC) and has been effective since May 23, 2018.

As a provided by Eon Labs, Inc., this medication is distributed in a 1000 TABLET in 1 BOTTLE configuration. The pricing data is derived from C/I - Chain or Independent Pharmacy surveys, reflecting the actual invoice prices paid by community pharmacies to drug wholesalers.

NADAC Pricing Summary

NADAC pricing snapshot for this package NDC

Acquisition Cost
$0.14459
Per EA

Effective Date
May 23, 2018
Billable Units
1000 EA
Estimated Package Price
$144.59
Data Status
As of May 30, 2018
C/I - Chain or Independent Pharmacy
Package NDC
Description
1000 TABLET in 1 BOTTLE
Pricing Methodology Explanation
The NADAC was calculated using information from the most recently completed pharmacy survey.

Historical Pricing Trends & Acquisition Cost Benchmarks

Since Nov 2013, the NADAC wholesale price for (NDC ) has moved within a range of $0.12906 to $0.21897 per EA. Over this 4 years and 9 months period, the pricing trend reflects the shifting acquisition costs reported by retail and chain pharmacies to the Centers for Medicare and Medicaid Services (CMS). The following interactive chart and historical table detail every recorded price adjustment based on these federal surveys.

Price Range
$0.1291 - $0.2190
Market Volatility
69.67% Variance
Latest Trend
14.75%

Recent NADAC Price History

DateUnit PriceUnitSourceMethodRate
Sep 19, 2018 $0.21670 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Sep 19, 2018 $0.21670 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Aug 22, 2018 $0.18885 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Aug 22, 2018 $0.18885 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jul 18, 2018 $0.15462 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jul 18, 2018 $0.15462 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jun 20, 2018 $0.15072 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jun 20, 2018 $0.15072 EAC/I - Chain or Independent PharmacyCode 1G - Generic
May 23, 2018 $0.14459 EAC/I - Chain or Independent PharmacyCode 1G - Generic
May 23, 2018 $0.14459 EAC/I - Chain or Independent PharmacyCode 1G - Generic
May 23, 2018 $0.14459 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Apr 18, 2018 $0.14364 EAC/I - Chain or Independent PharmacyCode 1G - Generic

Earlier NADAC Price History

Pricing Methodology Legend

  • Code 1: The NADAC was calculated using information from the most recently completed pharmacy survey.
  • Code 4: The NADAC was carried forward from the previous file.

Understanding NADAC Pricing Data

The National Average Drug Acquisition Cost (NADAC) is compiled by the Centers for Medicare and Medicaid Services (CMS). This data is derived from random monthly surveys of more than 60,000 pharmacies across all 50 states.


Important Price Distinction:

The prices listed on this page represent the wholesale invoice price paid by pharmacies to acquire the drug. This is NOT the retail price paid by consumers at the pharmacy counter. Final patient costs typically include pharmacy markups, professional dispensing fees, and insurance adjustments.

NADAC Pricing Data Last Updated on: October 07, 2026