<SEC-DOCUMENT>0001193125-15-288148-index.html : 20150812
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<ACCEPTANCE-DATETIME>20150812163141
ACCESSION NUMBER:		0001193125-15-288148
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20150812
DATE AS OF CHANGE:		20150812

FILER:

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

	FILING VALUES:
		FORM TYPE:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-198850
		FILM NUMBER:		151047359

	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
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<TYPE>S-1/A
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<FILENAME>d693329ds1a.htm
<DESCRIPTION>AMENDMENT NO. 5 TO FORM S-1
<TEXT>
Document 1 - file: d693329ds1a.htm

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<DOCUMENT>
<TYPE>EX-3.5
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<FILENAME>d693329dex35.htm
<DESCRIPTION>EX-3.5
<TEXT>
Document 2 - file: d693329dex35.htm

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<DOCUMENT>
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<FILENAME>d693329dex46.htm
<DESCRIPTION>EX-4.6
<TEXT>
Document 3 - file: d693329dex46.htm

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<DOCUMENT>
<TYPE>EX-10.34
<SEQUENCE>4
<FILENAME>d693329dex1034.htm
<DESCRIPTION>EX-10.34
<TEXT>
Document 4 - file: d693329dex1034.htm

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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>d693329dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 5 - file: d693329dex231.htm

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<SEQUENCE>6
<FILENAME>d693329dex242.htm
<DESCRIPTION>EX-24.2
<TEXT>
Document 6 - file: d693329dex242.htm

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<FILENAME>g693329g07l89.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g693329g07l89.jpg

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Document 8 - file: g693329g07q40.jpg

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<TEXT>
Document 9 - file: g693329g15a16.jpg

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<FILENAME>g693329g18k90.jpg
<DESCRIPTION>GRAPHIC
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Document 10 - file: g693329g18k90.jpg

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Document 11 - file: g693329g28r54.jpg

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Document 12 - file: g693329g31f69.jpg

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<FILENAME>g693329g53q21.jpg
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<TEXT>
Document 13 - file: g693329g53q21.jpg

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<FILENAME>g693329g72g81.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g693329g72g81.jpg

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<TYPE>GRAPHIC
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<FILENAME>g693329g79b67.jpg
<DESCRIPTION>GRAPHIC
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Document 15 - file: g693329g79b67.jpg

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Document 16 - file: g693329g95e21.jpg

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