-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 Ic+7z/pByURP5AyVVKaWfGNjiCwNr1zMf9XzNVJ02QeEIWJPGIlTNuwtojpedvWn
 ASTJ81DgoSGJZxCjPPf5dA==

<SEC-DOCUMENT>0000881890-09-000036.txt : 20091030
<SEC-HEADER>0000881890-09-000036.hdr.sgml : 20091030
<ACCEPTANCE-DATETIME>20091030145816
ACCESSION NUMBER:		0000881890-09-000036
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091029
FILED AS OF DATE:		20091030
DATE AS OF CHANGE:		20091030

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HANLON BRENTON
		CENTRAL INDEX KEY:			0001191150

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19720
		FILM NUMBER:		091147791

	MAIL ADDRESS:	
		STREET 1:		C/O ABAXIS INC
		STREET 2:		3240 WHIPPLE ROAD
		CITY:			UNION CITY
		STATE:			CA
		ZIP:			94587

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ABAXIS INC
		CENTRAL INDEX KEY:			0000881890
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		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>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-10-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001191150</rptOwnerCik>
            <rptOwnerName>HANLON BRENTON</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>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP-Sales &amp; Marketing,Medical</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-10-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.6</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5400</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Brenton Hanlon</signatureName>
        <signatureDate>2009-10-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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