-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BjzSCCGWnzfpv5gK7bQzDAhl8OjH+V1svES51qH/0NQWOKHWmvg1scAjBzhYwE3b
 OVmPMSeKxarOvfCWL4qG2Q==

<SEC-DOCUMENT>0001205414-04-000001.txt : 20041105
<SEC-HEADER>0001205414-04-000001.hdr.sgml : 20041105
<ACCEPTANCE-DATETIME>20041105181437
ACCESSION NUMBER:		0001205414-04-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041105
FILED AS OF DATE:		20041105
DATE AS OF CHANGE:		20041105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EVENHUIS HENK
		CENTRAL INDEX KEY:			0001205414

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19720
		FILM NUMBER:		041123866

	BUSINESS ADDRESS:	
		STREET 1:		200 SMITH RANCH ROAD
		CITY:			SAN RAFAEL
		STATE:			CA
		ZIP:			94903

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ABAXIS INC
		CENTRAL INDEX KEY:			0000881890
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				770213001
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		3240 WHIPPLE
		STREET 2:		ROAD
		CITY:			UNION CITY
		STATE:			CA
		ZIP:			94587
		BUSINESS PHONE:		(510) 675-6500

	MAIL ADDRESS:	
		STREET 1:		3240 WHIPPLE
		STREET 2:		ROAD
		CITY:			UNION CITY
		STATE:			CA
		ZIP:			94587
</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>2004-11-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000881890</issuerCik>
        <issuerName>ABAXIS INC</issuerName>
        <issuerTradingSymbol>ABAX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001205414</rptOwnerCik>
            <rptOwnerName>EVENHUIS HENK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABAXIS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3240 WHIPPLE ROAD</rptOwnerStreet2>
            <rptOwnerCity>UNION CITY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94587</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option - right to buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>12.9</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-11-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-11-04</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-11-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Includes: (a) 8,000 shares subject to options exercisable by Mr. Henk Evenhuis, as of 11/5/2004; (b) 4,000 shares granted and unvested as of 11/5/2004.</footnote>
        <footnote id="F2">Stock options granted under the Company's 1998 Stock Option Plan.  Options vest monthly over one year period from date of grant.  Options may be excercised to the extend vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Henk Evenhuis</signatureName>
        <signatureDate>2004-11-05</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----