Wholesale Acquisition Cost (WAC) Increase Report Data – Current Year

The graphs below include submitted WAC Increase data for Q1 2021. The interactive graphs display data that shows Median Cumulative WAC Percent Increase by WAC Price Category, Drug Source Type, or Both. Each graph allows you to filter through the data by quarter.

Note: Reported increases that do not meet the statutory requirements for reporting and prescription drugs that do not meet the definition for reporting under the Regulations and Section 321(g) of Title 21 of the United States Code were not included in the visualizations. In Q1 2021, 31 of 832 reports did not meet the statutory requirements.

Median Percent Increase – WAC Price Category

Key Findings

  • The overall 3-year median Wholesale Acquisition Cost (WAC) percent increase was 20.79%. All WAC price categories saw 3-year median WAC percent increases above 20%.
  • Drug products with a WAC between $1,000 and $10,000 saw the largest 3-year median WAC percent increase (22.38%).
  • Just over 75% of total reported Q1 2021 WAC increases were made on drug products with a WAC between $250 and $10,000 (614 reports out of 801 total reports).

Median Cumulative WAC Percent Increase by WAC Price Category ( Q1 2021)

Median Percent Increase – Drug Source Type

Key Findings

  • Non-innovator Multiple Source Drugs saw the largest 3-year median WAC percent increase (27.34%) among drug source types.
  • Approximately 74% of reported WAC increases made in Q1 2021 were made on Single Source Drugs (591 reports out of 801 total reports).

Median Cumulative WAC Percent Increase by Drug Source Type (Q1 2021)

Median Percent Increase – WAC Price Category & Drug Source Type

Key Findings

  • Innovator Multiple Source Drugs with a WAC greater than $10,000 saw the largest 3-year median WAC percent increase (31.77%). Innovator Multiple Source Drugs with a WAC from $250 to $1,000 saw the smallest 3-year median WAC percent increase (19.1%).
  • There were no reported WAC increases for Non-innovator Multiple Source Drugs with a WAC greater than $10,000.

Median Cumulative WAC Percent Increase by WAC Price Category and Drug Source Type (Q1 2021)

Data and Resources#

Additional Information#

Topic: Healthcare
Temporal Coverage: January to March 2021
Spatial/Geographic Coverage: Statewide
Frequency: Quarterly
Citation: Department of Health Care Access and Information (HCAI), Prescription Drug Cost Transparency

Manufacturers are required to provide the reason(s) for reported WAC increases unless the information is not in the public domain. Approximately 59% of the Q1 2021 reports did not include any reason(s) for the reported WAC increases due to the information not already being in the public domain.

Notes:

  • The 3-year median percent increase is based on submitted WAC increase data.
  • The dataset is subject to reporting. The dataset includes only complete reports submitted by manufacturers for WAC increases that were made in Q1 2021, not including reports that do not meet the specified minimum thresholds for reporting.
  • Manufacturers can submit late reports; any Q1 2021 WAC increase reports submitted after July 20, 2021, are not included in the data.