-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HMJqnnLqztAazko8cmBUbjoH2CFEnpTMtsevhMWz9F22JLZxUk2LoeFbsYv6vf9m
 hQUWEK5z+HwRbZue5Fkidw==

<SEC-DOCUMENT>0000902595-06-000081.txt : 20060728
<SEC-HEADER>0000902595-06-000081.hdr.sgml : 20060728
<ACCEPTANCE-DATETIME>20060728150157
ACCESSION NUMBER:		0000902595-06-000081
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060727
FILED AS OF DATE:		20060728
DATE AS OF CHANGE:		20060728

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIAGNOSTIC PRODUCTS CORP
		CENTRAL INDEX KEY:			0000702259
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				952802182
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5210 PACIFIC CONCOURSE DRIVE
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90045
		BUSINESS PHONE:		3106458200

	MAIL ADDRESS:	
		STREET 1:		5210 PACIFIC CONCOURSE DRIVE
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90045

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARNOLD NICOLAAS
		CENTRAL INDEX KEY:			0001212371

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09957
		FILM NUMBER:		06987750

	BUSINESS ADDRESS:	
		STREET 1:		C/O DIAGNOSTIC PRODUCTS CORP
		STREET 2:		5700 WEST 96TH ST
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			9045
		BUSINESS PHONE:		3106458200

	MAIL ADDRESS:	
		STREET 1:		DIAGNOSTIC PRODUCTS CORP
		STREET 2:		5700 WEST 96TH STREET
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90045
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>narnold_form4ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-07-27</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000702259</issuerCik>
        <issuerName>DIAGNOSTIC PRODUCTS CORP</issuerName>
        <issuerTradingSymbol>DP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001212371</rptOwnerCik>
            <rptOwnerName>ARNOLD NICOLAAS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DIAGNOSTIC PRODUCTS CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>5210 PACIFIC CONCOURSE DRIVE</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90045</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Sales &amp; Marketing</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Option - Right to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.59</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-07-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>24000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2008-01-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>24000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Option - Right to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>34.10</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-07-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2011-05-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Option - Right to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>47.16</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-07-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2012-12-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">4,000 vested annually on January 20, 2003 through January 20, 2006. 8,000 will vest on January 20, 2007.</footnote>
        <footnote id="F2">Cancelled pursuant to the Agreement and Plan of Merger, dated as of April 26, 2006, by and among the issuer, Siemens Medical
 Solutions USA, Inc., and Dresden Acquisition Corporation (the &quot;Merger Agreement&quot;) in exchange for an amount equal to $58.50
 for each share of common stock of the issuer subject to the cancelled option, less the applicable exercise price and any
 applicable withholding taxes, the aggregate amount of which is payable in the form of cash.</footnote>
        <footnote id="F3">4,000 vested annually on May 8, 2002 through May 8, 2006.</footnote>
        <footnote id="F4">3,000 will vest annually on December 9, 2006 through December 9, 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James L. Brill, Authorized Signer</signatureName>
        <signatureDate>2006-07-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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