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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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 nUaLZJD5GUqnn9a+8ahQOQ==

<SEC-DOCUMENT>0001286032-07-000011.txt : 20070921
<SEC-HEADER>0001286032-07-000011.hdr.sgml : 20070921
<ACCEPTANCE-DATETIME>20070921170336
ACCESSION NUMBER:		0001286032-07-000011
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070919
FILED AS OF DATE:		20070921
DATE AS OF CHANGE:		20070921

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMMUNICON CORP
		CENTRAL INDEX KEY:			0001083132
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		3401 MASONS MILL RD
		STREET 2:		SUITE 100
		CITY:			HUNTINGTON VALLEY
		STATE:			PA
		ZIP:			19006
		BUSINESS PHONE:		215 830 0777 X121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MURPHY JAMES G
		CENTRAL INDEX KEY:			0001286032

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50677
		FILM NUMBER:		071129880

	MAIL ADDRESS:	
		STREET 1:		IMMUNICON
		STREET 2:		3401 MASONS MILL RD.
		CITY:			HUNTINGTON VALLEY
		STATE:			PA
		ZIP:			19006
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-09-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001083132</issuerCik>
        <issuerName>IMMUNICON CORP</issuerName>
        <issuerTradingSymbol>IMMC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001286032</rptOwnerCik>
            <rptOwnerName>MURPHY JAMES G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>IMMUNICON</rptOwnerStreet1>
            <rptOwnerStreet2>3401 MASONS MILL RD.</rptOwnerStreet2>
            <rptOwnerCity>HUNTINGTON VALLEY</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19006</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Incentive stock option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.95</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-09-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.95</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2008-09-19</value>
            </exerciseDate>
            <expirationDate>
                <value>2017-09-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>403448</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option vests annually in four (4) equal installments over four (4) years (25% per year).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James G. Murphy</signatureName>
        <signatureDate>2007-09-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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