One hour-long initial consultation meeting is provided free of charge for every client.

The following table describes rates for biostatistical support after the initial consultation meeting.

Projects are billed at an internal or external rate for three different levels of service:

  • Expert: PhD-level work, utilizes expertise in advanced biostatistical and epidemiologic methods
  • Intermediate: Masters-level work; utilizes expertise in advanced biostatistical and epidemiologic methods, data management, and programming
  • Basic: Masters-level work; utilizes expertise in commonly-used statistical methods, data management, and programming

 Project Type

 Fee-for-Service Rate (per   hour)* - Internal Investigators

 Fee-for-Service Rate (per   hour)* - External Investigators


 Basic: $50

 Intermediate: $80

 Expert: $125

 Basic: $70

 Intermediate: $100

 Expert: $150


 No charge

 Same as above


 Same as above

 Same as above

* Rates effective 3/15/20. Rates are evaluated regularly and are subject to change.

  • A cost estimate will be provided for each project. The Senior Research Biostatistician will evaluate the complexity of each project and determine the appropriate distribution of expert and basic services required for completion.
  • Because it is unlawful to subsidize services provided to private companies, biostatistical services provided to Illinois investigators for private start-up companies will be billed at the external investigator rate. However, if the start-up company is an EnterpriseWorks tenant, the project may be eligible for the internal investigator rate.  
  • Some collaborations between Illinois investigators and external partners may qualify for the internal investigator rate. These will be evaluated on a case-by-case basis depending on the level of Illinois involvement in the project(s). 


  • Invoices are emailed, to one or more contacts specified by the client. Please note, invoices reflect only hours worked by the biostatisticians. Biostatistician time spent to correct errors in the deliverable(s) will not be billable to the client.
  • Upon receipt and review of the draft invoice, internal clients are requested to respond with approval to the IHSI billing contact noted on the invoice so the funds may be deducted from the provided CFOAP. Payment from external clients is expected net 30 of each month.


  • Core clients will be asked to provide either a signed CFOAP authorization (internal investigators, non-grant or post-grant) or signed revenue-generating agreement (external investigators) before any biostatistical work can begin.
    • CFOAP Authorization: Permits IHSI to collect funds from the provided account on a monthly basis, after acceptance of draft invoice.
    • Revenue-Generating Agreement: Approved by University Counsel and the Office of Business and Financial Services; outlines deliverables, billing specifications, and timelines. 
  • If the direction of the project changes and additional analyses are required, the estimated costs will be reassessed and discussed with the client. If necessary, new agreement(s) may be generated and circulated for signature.