February 24, 2020

Andrew Jackson
Chief Financial Officer
Ra Medical Systems, Inc.
2070 Las Palmas Drive
Carlsbad, CA 92011

       Re: Ra Medical Systems, Inc.
           Form 10-K For the Fiscal Year Ended December 31, 2018
           Filed March 15, 2019
           File No. 001-38677

Dear Mr. Jackson:

        Consistent with our obligations under the federal securities laws, we
are terminating our
review and will take further steps as we deem appropriate. These steps include
releasing
publicly, through the agency's EDGAR system, all correspondence, including this
letter, relating
to the review of your filing, consistent with the staff's decision to publicly
release comment and
response letters relating to disclosure filings it has reviewed.



                                                             Sincerely,

                                                             Division of
Corporation Finance
                                                             Office of Life
Sciences