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# ICH Guidance Combined: Validation of Analytical Procedures
- URL: https://www.fdaweb.com/ich-guidance-combined-validation-of-analytical-procedures/
- Published: 2021-09-16T12:00:00.000Z
- Updated: 2026-09-14T17:14:53.000Z
- Author: David McFarland
- Tags: Drugs, #legacy-id-D5150159

FDA says it has incorporated International Council for Harmonization *Q2B Validation of Analytical Procedures: Methodology* with the parent document *Q2A Text on Validation of Analytical Procedures* and retitled the combined document *Q2(R1) Validation of Analytical Procedures: Text and Methodology*. The consolidated guidance consists of the previously published FDA guidances, Q2A and Q2B. The contents of the guidances can be viewed below:

- [Q2A Text on Validation of Analytical Procedures](https://www.fda.gov/regulatory-information/search-fda-guidance-documents/q2a-text-validation-analytical-procedures?ref=fdaweb.com)
- [Q2B Validation of Analytical Procedures: Methodology](https://www.fda.gov/regulatory-information/search-fda-guidance-documents/q2b-validation-analytical-procedures-methodology?ref=fdaweb.com)