<?xml version="1.0"?>
<notificationOfRemoval>

    <schemaVersion>X0203</schemaVersion>

    <exchange>
        <cik>0001354457</cik>
        <entityName>Nasdaq Stock Market LLC</entityName>
    </exchange>

    <issuer>
        <cik>0001180145</cik>
        <entityName>Cardiovascular Systems Inc</entityName>
        <fileNumber>000-53478</fileNumber>
        <address>
            <street1>651 Campus Drive</street1>
            <street2></street2>
            <city>St Paul</city>
            <stateOrCountryCode>MN</stateOrCountryCode>
            <stateOrCountry>MINNESOTA</stateOrCountry>
            <zipCode>55112</zipCode>
        </address>
        <telephoneNumber>+1 651 259-1600</telephoneNumber>
    </issuer>

    <descriptionClassSecurity>Common Stock</descriptionClassSecurity>

    <ruleProvision>17 CFR 240.12d2-2(a)(3)</ruleProvision>

    <signatureData>
        <signatureName>Tara Petta</signatureName>
        <signatureTitle>Vice President</signatureTitle>
        <signatureDate>2023-04-27</signatureDate>
    </signatureData>
</notificationOfRemoval>