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Guide to the Application of Genotyping to Tuberculosis Prevention and Control

Developing a Tuberculosis Genotyping Program

Developing a Written Plan

TB Programs should develop a written plan to describe activities, responsibilities, and procedures for their TB genotyping programs. The New York City and the Maryland TB programs graciously agreed to share copies of their genotyping plans with other TB controllers. These plans are posted on the WebBoard at http://web-tb.forum.cdc.gov.

To help TB programs develop a plan, Table 5.1 lists important initial steps that should be considered. Which steps are required and which are recommended depend on the decision the TB program makes about the initial scope of their genotyping program. How to make the decision about the initial scope of the genotyping program and the steps in Table 5.1 are discussed in the next section of this chapter.

Table 5.1. Steps in establishing a state genotyping program plan.

  Universal: statewide Universal: subregion Selective
1. Identify labs that might submit isolates
 Required Required Recommended
2. Notify submitting labs of genotyping program and provide them with a copy of the TB Genotyping Isolate Submission form
 Required Required Recommended
3. Negotiate payment for shipping isolates to genotyping laboratories
 Required Required Recommended
4. Establish submission procedures: batch shipments, frequency of shipments, avoiding duplicate submissions
 Required Required Required
5. Establish an isolate tracking system
 Required Required Required
6. Establish criteria for selecting isolates to be submitted
 does not apply does not apply Recommended
7. Establish procedures to identify isolates selected for submission
 does not apply does not apply Required
8. Assign responsibility to the person who will receive Genotyping Laboratory Report
 Required Required Required
9. Establish a genotyping data management system
 Required Required Required
10. Establish procedures for evaluating genotyping results and other existing data to make decisions about need for additional investigations, such as cluster or outbreak investigations (see Figure 5.1)
 Required Required Required
11. Establish criteria for requesting RFLP
 Required Required Required
12. Consider advocating for a new state health regulation to submit one isolate/patient to state public health laboratory
 Recommended Recommended Recommended
13. Consider networking with adjacent TB programs to encourage interjurisdictional exchange of genotyping information
 Recommended Recommended Recommended
14. Obtain CDC approval for plan
 Required Required Required

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