-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Sr3jCEf4Vh3a2enmyQihUsb0srWGql3p6hChr0fggBk4k5m3l+e7HZr/SpCKoowg
 hwMdcnyCS5IrNeNoiUX0YQ==

<SEC-DOCUMENT>0001232975-06-000002.txt : 20060213
<SEC-HEADER>0001232975-06-000002.hdr.sgml : 20060213
<ACCEPTANCE-DATETIME>20060213152313
ACCESSION NUMBER:		0001232975-06-000002
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051231
FILED AS OF DATE:		20060213
DATE AS OF CHANGE:		20060213

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GATTINELLA WAYNE T
		CENTRAL INDEX KEY:			0001232975

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24975
		FILM NUMBER:		06603193

	BUSINESS ADDRESS:	
		STREET 1:		WEBMD CORP.
		STREET 2:		1175 PEACHTREE STREET
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30361

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EMDEON CORP
		CENTRAL INDEX KEY:			0001009575
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				943236644
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		RIVER DRIVE CENTER 2
		STREET 2:		669 RIVER DR
		CITY:			ELMWOOD PARK
		STATE:			NJ
		ZIP:			07407
		BUSINESS PHONE:		2017033400

	MAIL ADDRESS:	
		STREET 1:		RIVER DRIVE CENTER 2
		STREET 2:		669 RIVER DR
		CITY:			ELMWOOD PARK
		STATE:			NJ
		ZIP:			07407

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WEBMD CORP /NEW/
		DATE OF NAME CHANGE:	20001102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTHEON CORP
		DATE OF NAME CHANGE:	19980729

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTHSCAPE CORP
		DATE OF NAME CHANGE:	19970404
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2005-12-31</periodOfReport>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0001009575</issuerCik>
        <issuerName>EMDEON CORP</issuerName>
        <issuerTradingSymbol>HLTH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232975</rptOwnerCik>
            <rptOwnerName>GATTINELLA WAYNE T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>669 RIVER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>CENTER 2</rptOwnerStreet2>
            <rptOwnerCity>ELMWOOD PARK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07407</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO &amp; President, WebMD Health</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-06-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3700</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28999</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-06-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28999</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>236</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By ESOP</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Gattinella gifted shares of common stock as a charitable donation.</footnote>
        <footnote id="F2">25,000 shares represent Restricted Stock issued on 3/17/2004 of which 12,500 shares vest on 3/17/2006 and 12,500 shares vest on 3/17/2007.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Lewis H. Leicher, Attorney-in-Fact</signatureName>
        <signatureDate>2006-02-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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