<SEC-DOCUMENT>0001127602-19-027522.txt : 20190828
<SEC-HEADER>0001127602-19-027522.hdr.sgml : 20190828
<ACCEPTANCE-DATETIME>20190828170532
ACCESSION NUMBER:		0001127602-19-027522
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190827
FILED AS OF DATE:		20190828
DATE AS OF CHANGE:		20190828

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Peters Stanley W III
		CENTRAL INDEX KEY:			0001635365

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16093
		FILM NUMBER:		191062625

	MAIL ADDRESS:	
		STREET 1:		C/O CONMED CORPORATION
		STREET 2:		525 FRENCH ROAD
		CITY:			UTICA
		STATE:			NY
		ZIP:			13502

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CONMED CORP
		CENTRAL INDEX KEY:			0000816956
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				160977505
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		525 FRENCH ROAD
		CITY:			UTICA
		STATE:			NY
		ZIP:			13502
		BUSINESS PHONE:		315-624-3208

	MAIL ADDRESS:	
		STREET 1:		525 FRENCH ROAD
		CITY:			UTICA
		STATE:			NY
		ZIP:			13502
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-08-27</periodOfReport>

    <issuer>
        <issuerCik>0000816956</issuerCik>
        <issuerName>CONMED CORP</issuerName>
        <issuerTradingSymbol>CNMD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001635365</rptOwnerCik>
            <rptOwnerName>Peters Stanley W III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CONMED CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>525 FRENCH ROAD</rptOwnerStreet2>
            <rptOwnerCity>UTICA</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>13502</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP GM Advanced Surgery</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-08-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>101.76</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>130</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Sarah M. Oliker for Stanley W. Peters III by Power of Attorney</signatureName>
        <signatureDate>2019-08-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
