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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,
 TIgXhS2DK60OWi2hIvac17j3WPVoTcf1qsY+1oF87Xw8O8ofkfKDSYEnQ4qkHjqP
 1Fu/4fiSaaGInqw52Ec10g==

<SEC-DOCUMENT>0001240626-04-000003.txt : 20040510
<SEC-HEADER>0001240626-04-000003.hdr.sgml : 20040510
<ACCEPTANCE-DATETIME>20040510155648
ACCESSION NUMBER:		0001240626-04-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040510
FILED AS OF DATE:		20040510

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHROMAVISION MEDICAL SYSTEMS INC
		CENTRAL INDEX KEY:			0001038223
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				752649072
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		33171 PASEO CORVEZA
		CITY:			SAN JUAN CAPISTRANO
		STATE:			CA
		ZIP:			92675
		BUSINESS PHONE:		9494433355

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SLATTERY FRANK P JR
		CENTRAL INDEX KEY:			0001240626

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22677
		FILM NUMBER:		04793110

	BUSINESS ADDRESS:	
		STREET 1:		217 ASHWOOD RD
		CITY:			VILLANOVA
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		6105273572

	MAIL ADDRESS:	
		STREET 1:		217 ASHWOOD RD
		CITY:			VILLANOVA
		STATE:			PA
		ZIP:			19087
</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>2004-05-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001038223</issuerCik>
        <issuerName>CHROMAVISION MEDICAL SYSTEMS INC</issuerName>
        <issuerTradingSymbol>CVSN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001240626</rptOwnerCik>
            <rptOwnerName>SLATTERY FRANK P JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>217 ASHWOOD ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>VILLANOVA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19087</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.45</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>58000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Mario Pacheco</signatureName>
        <signatureDate>2004-05-10</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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