United States securities and exchange commission logo September 29, 2023 Evan Xu Chief Financial Officer Genetron Holdings Ltd 1-2/F, Building 11, Zone 1 No. 8 Life Science Parkway Changping District, Beijing, 102206 People s Republic of China Re: Genetron Holdings Ltd Form 20-F for the Year Ended December 31, 2022 File No. 001-39328 Dear Evan Xu: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Disclosure Review Program cc: Xuelin Wang