<SEC-DOCUMENT>0000911916-18-000169.txt : 20180918
<SEC-HEADER>0000911916-18-000169.hdr.sgml : 20180918
<ACCEPTANCE-DATETIME>20180918215056
ACCESSION NUMBER:		0000911916-18-000169
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180914
FILED AS OF DATE:		20180918
DATE AS OF CHANGE:		20180918

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KISSINGER PETER
		CENTRAL INDEX KEY:			0001053615

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23357
		FILM NUMBER:		181076909

	MAIL ADDRESS:	
		STREET 1:		111 LORENE PLACE
		CITY:			WEST LAFAYETTE
		STATE:			IN
		ZIP:			47906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KISSINGER CANDICE B
		CENTRAL INDEX KEY:			0001053613

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23357
		FILM NUMBER:		181076910

	MAIL ADDRESS:	
		STREET 1:		111 LORENE PLACE
		CITY:			WEST LAFAYETTE
		STATE:			IN
		ZIP:			47906

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOANALYTICAL SYSTEMS INC
		CENTRAL INDEX KEY:			0000720154
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		IRS NUMBER:				351345024
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		2701 KENT AVE
		CITY:			WEST LAFAYETT
		STATE:			IN
		ZIP:			47906-1382
		BUSINESS PHONE:		3174634527

	MAIL ADDRESS:	
		STREET 1:		2701 KENT AVENUE
		CITY:			WEST LAFAYETTE
		STATE:			IN
		ZIP:			47906-1382
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-09-14</periodOfReport>

    <issuer>
        <issuerCik>0000720154</issuerCik>
        <issuerName>BIOANALYTICAL SYSTEMS INC</issuerName>
        <issuerTradingSymbol>BASI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001053615</rptOwnerCik>
            <rptOwnerName>KISSINGER PETER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 LORENE PLACE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WEST LAFAYETTE</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>47906</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001053613</rptOwnerCik>
            <rptOwnerName>KISSINGER CANDICE B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 LORENE PLACE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WEST LAFAYETTE</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>47906</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-09-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.7382</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1033457</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>848220</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the purchase of 10,000 shares in multiple transactions ranging in price from $1.68 to $1.78 per share, resulting in a weighted average purchase price of $1.7382.  The reporting person will provide, upon request by the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each price within the range.</footnote>
        <footnote id="F2">Shares were purchased by Peter T. Kissinger individually; direct holdings of Peter T. Kissinger after this transaction include 595,910 shares held jointly with Candice B. Kissinger. Shares that are reported as individually held by Candice B. Kissinger or held jointly by Candice B. Kissinger and her children are deemed to be indirectly held by Peter T. Kissinger.</footnote>
        <footnote id="F3">The total amount of shares beneficially owned by Peter T. Kissinger reflects the sale of 200 shares held by Peter T. Kissinger individually on March 7, 2008, which was inadvertently omitted from the Form 4 filed by Peter T. Kissinger on March 10, 2008.</footnote>
        <footnote id="F4">Shares held directly by Candice B. Kissinger; includes 595,910 shares held jointly by Peter T. Kissinger and Candice B. Kissinger and 1,354 shares held jointly by Candice B. Kissinger and her children. Shares that are reported as individually held by Peter T. Kissinger are deemed to be indirectly held by Candice B. Kissinger.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Peter T. Kissinger</signatureName>
        <signatureDate>2018-09-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Candice B. Kissinger</signatureName>
        <signatureDate>2018-09-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
