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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 zGbyh5WS/My6yZfGyHofWw==

<SEC-DOCUMENT>0001001185-05-000074.txt : 20050705
<SEC-HEADER>0001001185-05-000074.hdr.sgml : 20050704
<ACCEPTANCE-DATETIME>20050705100204
ACCESSION NUMBER:		0001001185-05-000074
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050630
FILED AS OF DATE:		20050705
DATE AS OF CHANGE:		20050705

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IDX SYSTEMS CORP
		CENTRAL INDEX KEY:			0001001185
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				030222230
		STATE OF INCORPORATION:			VT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1400 SHELBURNE RD
		STREET 2:		PO BOX 1070
		CITY:			SOUTH BURLINGTON
		STATE:			VT
		ZIP:			05403
		BUSINESS PHONE:		8028621022

	MAIL ADDRESS:	
		STREET 1:		1400 SHELBURNE RD
		STREET 2:		PO BOX 1070
		CITY:			SOUTH BURLINGTON
		STATE:			VT
		ZIP:			05403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HORTON THOMAS G
		CENTRAL INDEX KEY:			0001252780

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26816
		FILM NUMBER:		05934810

	BUSINESS ADDRESS:	
		STREET 1:		C/O CHILDTIME LEARNING CENTERS
		STREET 2:		21333 HAGGERTY ROAD STE 300
		CITY:			NOVI
		STATE:			MI
		ZIP:			48375
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-06-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001001185</issuerCik>
        <issuerName>IDX SYSTEMS CORP</issuerName>
        <issuerTradingSymbol>IDXC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001252780</rptOwnerCik>
            <rptOwnerName>HORTON THOMAS G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP Strategy+Bus Dev.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-06-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>I</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>439</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.619</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>439</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>25</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-12-05</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-12-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>27.605</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-01-15</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-01-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.32</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2006-04-13</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-04-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Purchase under Section 423 Plan.</footnote>
        <footnote id="F2">Grant to reporting person to purchase 1,000 shares of common stock under the IDX Systems Corporation 1995 Stock Option Plan.  The option becomes exercisable in 25 percent increments of 250 shares each on  December 5, 2004, December 5, 2005, December 5, 2006 and December 5, 2007.  The plan pursuant to which the reported option was granted provides for tax withholding rights.</footnote>
        <footnote id="F3">Grant to reporting person to purchase 25,000 shares of common stock under the IDX Systems Corporation 1995 Stock Option Plan.  The option becomes exercisable in 25 percent increments of 6,250 shares each on January 15, 2005, January 15, 2006, January 15, 2007 and January 15, 2008.  The plan pursuant to which the reported option was granted provides for tax withholding rights.</footnote>
        <footnote id="F4">Grant to reporting person to purchase 15,000 shares of common stock under the IDX Systems Corporation 1995 Stock Option Plan.  The option becomes exercisable in 25 percent increments of 3,750 shares each on April 13, 2006, April 13, 2007, April 13, 2008, and April 13, 2009.  The plan pursuant to which the reported option was granted provides for tax withholding rights.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Diane L. Brown, Attorney-In-Fact  For: Thomas G. Horton</signatureName>
        <signatureDate>2005-07-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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