-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 0epFKuqSRq3f6z7R3uUVag==

<SEC-DOCUMENT>0000924515-05-000034.txt : 20051103
<SEC-HEADER>0000924515-05-000034.hdr.sgml : 20051103
<ACCEPTANCE-DATETIME>20051103160125
ACCESSION NUMBER:		0000924515-05-000034
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051101
FILED AS OF DATE:		20051103
DATE AS OF CHANGE:		20051103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPECTRX INC
		CENTRAL INDEX KEY:			0000924515
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				582029543
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4955 AVALON RIDGE PKWY
		STREET 2:		SUITE 300
		CITY:			NORCROSS
		STATE:			GA
		ZIP:			30071
		BUSINESS PHONE:		7702428723

	MAIL ADDRESS:	
		STREET 1:		4955 AVALON RIDGE PKWY
		STREET 2:		SUITE 300
		CITY:			NORCROSS
		STATE:			GA
		ZIP:			30071

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARTHUR WILLIAM D III
		CENTRAL INDEX KEY:			0001269406

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22179
		FILM NUMBER:		051177033

	BUSINESS ADDRESS:	
		STREET 1:		2010 TAVISTOCK COURT
		CITY:			ALPHARETTA
		STATE:			GA
		ZIP:			30022
</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>2005-11-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000924515</issuerCik>
        <issuerName>SPECTRX INC</issuerName>
        <issuerTradingSymbol>SPRX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001269406</rptOwnerCik>
            <rptOwnerName>ARTHUR WILLIAM D III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.26</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>225000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-11-01</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2005-10-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>225000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>411000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.26</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>150000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-11-01</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2005-10-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>150000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>561000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These options were granted under the SpectRx, Inc. 1995 Stock Plan. 1/3 of the shares subject to this option are exercisable as of 11/1/2005, an additional 1/3 of the shares subject to this option are exercisable when the company achieves profitability in two consecutive quarters and an additional 1/3 of the shares subject to this option are exercisable when the company achieves an annual runrate of $5 million.</footnote>
        <footnote id="F2">These options were granted under the SpectRx, Inc. 1995 Stock Plan. 1/3 of the shares subject to this option are exercisable when the company achieves profitability in two consecutive quarters and an additional 1/3 of the shares subject to this option are exercisable when the company achieves an annual runrate of $5 million and an additional 1/108 of the shares subject to this option shall vest each month for 36 months.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ William D. Arthur, III</signatureName>
        <signatureDate>2005-11-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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