<SEC-DOCUMENT>0000950123-19-006016-index.html : 20191017
<SEC-HEADER>0000950123-19-006016.hdr.sgml : 20191017
<ACCEPTANCE-DATETIME>20190614171717
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000950123-19-006016
CONFORMED SUBMISSION TYPE:	DRSLTR
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20190614

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXAGEN INC.
		CENTRAL INDEX KEY:			0001274737
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DRSLTR

	BUSINESS ADDRESS:	
		STREET 1:		1261 LIBERTY WAY
		CITY:			VISTA
		STATE:			CA
		ZIP:			92081
		BUSINESS PHONE:		(760) 560-1501

	MAIL ADDRESS:	
		STREET 1:		1261 LIBERTY WAY
		CITY:			VISTA
		STATE:			CA
		ZIP:			92081

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EXAGEN DIAGNOSTICS INC
		DATE OF NAME CHANGE:	20031230
</SEC-HEADER>
<DOCUMENT>
<TYPE>DRSLTR
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g826675g0614132052504.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g826675g0614132052504.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g826675g0614135037328.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g826675g0614135037328.jpg

</DOCUMENT>
</SEC-DOCUMENT>