United States securities and exchange commission logo December 7, 2023 K. Thomas Bailey Chief Financial Officer NanoString Technologies Inc 530 Fairview Avenue North Seattle, Washington 98109 Re: NanoString Technologies Inc Form 10-K for the fiscal year ended December 31, 2022 Filed February 28, 2023 File No. 001-35980 Dear K. Thomas Bailey: We have limited our review of your filing to the financial statements and related disclosures and have the following comment. Please respond to this letter within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe a comment applies to your facts and circumstances, please tell us why in your response. After reviewing your response to this letter, we may have additional comments. Form 10-K for the fiscal year ended December 31, 2022 Management's Discussion and Analysis of Financial Condition and Results of Operations Results of Operations Selling, General and Administrative Expense, page 62 1. You disclose multiple factors that led to the increase in selling, general and administrative expenses. Please revise your future filings to quantify the impact of each factor cited. In closing, 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. Please contact Vanessa Robertson at 202-551-3649 or Daniel Gordon at 202-551-3486 with any questions. K. Thomas Bailey NanoString Technologies Inc December 7, 2023 Page 2 FirstName LastNameK. Thomas Bailey Sincerely, Comapany NameNanoString Technologies Inc Division of Corporation Finance December 7, 2023 Page 2 Office of Life Sciences FirstName LastName