-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 A3cfQB+Y1hocTm93y5XcS4ail30wIstDrpT8x16G3h3fhUqNUPk5cIvU1xVbMJuT
 IsJOgWilA7ek0maUCOdATA==

<SEC-DOCUMENT>0001001185-04-000031.txt : 20040421
<SEC-HEADER>0001001185-04-000031.hdr.sgml : 20040421
<ACCEPTANCE-DATETIME>20040421115355
ACCESSION NUMBER:		0001001185-04-000031
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040209
FILED AS OF DATE:		20040421

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BUTTS THOMAS
		CENTRAL INDEX KEY:			0001165528

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26816
		FILM NUMBER:		04744617

	MAIL ADDRESS:	
		STREET 1:		6 FOXHUNT TRAIL
		CITY:			WALPOLE
		STATE:			MA
		ZIP:			02081

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2004-02-09</periodOfReport>

    <dateOfOriginalSubmission>2004-02-11</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001165528</rptOwnerCik>
            <rptOwnerName>BUTTS THOMAS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6 FOXHUNT TRAIL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALPOLE</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02081</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>30.4</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-02-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-02-09</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-02-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On February 11, 2004, the reporting person mistakenly filed a Form 4 reporting an acquisition in the derivative securities table of an option granted on February 9, 2004 to purchase up to 80,000 shares.  The correct number of shares underlying this option is 40,000.</footnote>
        <footnote id="F2">Grant to reporting person to purchase 40,000 shares of common stock under the IDX Systems Corporation 1995 Stock Option Plan.  The option becomes exercisable in 25 percent increments of 10,000 shares each on February 9, 2005, February 9, 2006, February 9, 2007, and February 9, 2008. 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 W. Butts</signatureName>
        <signatureDate>2004-04-21</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----