<SEC-DOCUMENT>0000914190-21-000239-index.html : 20210811
<SEC-HEADER>0000914190-21-000239.hdr.sgml : 20210811
<ACCEPTANCE-DATETIME>20210811191454
ACCESSION NUMBER:		0000914190-21-000239
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210809
FILED AS OF DATE:		20210811
DATE AS OF CHANGE:		20210811

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sedo Sandra
		CENTRAL INDEX KEY:			0001712822

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52082
		FILM NUMBER:		211165084

	MAIL ADDRESS:	
		STREET 1:		C/O CARDIOVASCULAR SYSTEMS, INC.
		STREET 2:		1225 OLD HIGHWAY 8 NW
		CITY:			ST. PAUL
		STATE:			MN
		ZIP:			55112

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cardiovascular Systems Inc
		CENTRAL INDEX KEY:			0001180145
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				411698056
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		1225 OLD HWY 8 NW
		CITY:			ST. PAUL
		STATE:			MN
		ZIP:			55112
		BUSINESS PHONE:		651-259-1600

	MAIL ADDRESS:	
		STREET 1:		1225 OLD HWY 8 NW
		CITY:			ST. PAUL
		STATE:			MN
		ZIP:			55112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	REPLIDYNE INC
		DATE OF NAME CHANGE:	20020813
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: edgar.html

Document 1 - RAW XML: edgar.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>attachment_1.htm
<DESCRIPTION>SANDRA SEDO POWER OF ATTORNEY
<TEXT>
Document 2 - file: attachment_1.htm

</DOCUMENT>
</SEC-DOCUMENT>