-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001246890-06-000007.txt : 20061114
<SEC-HEADER>0001246890-06-000007.hdr.sgml : 20061114
<ACCEPTANCE-DATETIME>20061114161434
ACCESSION NUMBER:		0001246890-06-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061113
FILED AS OF DATE:		20061114
DATE AS OF CHANGE:		20061114

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FUNSTON MARK D
		CENTRAL INDEX KEY:			0001246890

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24975
		FILM NUMBER:		061215298

	BUSINESS ADDRESS:	
		STREET 1:		GROUP 1 SOFTWARE INC
		STREET 2:		4200 PARLIAMENT PLACE
		CITY:			LANHAM
		STATE:			MD
		ZIP:			20706
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-11-13</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001246890</rptOwnerCik>
            <rptOwnerName>FUNSTON MARK D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>669 RIVER DRIVE, CENTER 2</rptOwnerStreet1>
            <rptOwnerStreet2></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>EVP &amp; Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-11-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.60</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>180000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-11-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>180000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>180000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">25% of the restricted shares are scheduled to vest on each of the first, second, third and fourth anniversary of the date of grant (full vesting on the fourth anniversary of the grant date).</footnote>
        <footnote id="F2">25% of the shares underlying the option are scheduled to vest on each of the first, second, third and fourth anniversary of the date of grant (full vesting on the fourth anniversary of the grant date).</footnote>
        <footnote id="F3">Not applicable.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Lewis H. Leicher, Attorney-in-Fact for Mark D. Funston</signatureName>
        <signatureDate>2006-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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