<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-08-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000878556</issuerCik>
        <issuerName>PER SE TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>PSTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001129787</rptOwnerCik>
            <rptOwnerName>VA PARTNERS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>435 PACIFIC AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>FOURTH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94133</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001159187</rptOwnerCik>
            <rptOwnerName>UBBEN JEFFREY W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>435 PACIFIC AVENUE, FOURTH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94133</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000937541</rptOwnerCik>
            <rptOwnerName>KAMIN PETER H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO INTERNATIONAL PLACE, 25TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02110</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>2004-08-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5378540</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3932</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5382472</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">As General Partner and Investment Manager of ValueAct Capital Partners, L.P.,
ValueAct Capital Partners II, L.P., and ValueAct Capital International, Ltd.</footnote>
        <footnote id="F2">These securities are also beneficially owned by Jeffrey W. Ubben, George F. Hamel, Jr., and Peter H. Kamin as Managing Members, Principal Owners and Controlling Persons of VA Partners, LLC. Jeffrey W. Ubben is a director of Per Se Technologies, Inc. and Managing Member of VA Partners, LLC, the General Partner of ValueAct Capital Partners, L.P. and ValueAct Capital Partners II, L.P. and the investment adviser of ValueAct Capital International, Ltd.  The reporting persons disclaim beneficial ownership except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Joint Filer Information

Name: ValueAct Capital Partners, L.P.
Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA  94133
Designated Filer: VA Partners, LLC
Issuer and Ticker Symbol: Per Se Technologies, Inc. (PSTI)
Date of Event Requiring Statement: August 20, 2004

Name: ValueAct Capital Partners II, L.P.
Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA  94133
Designated Filer: VA Partners, LLC
Issuer and Ticker Symbol: Per Se Technologies, Inc. (PSTI)
Date of Event Requiring Statement: August 20, 2004

Name: ValueAct Capital International, Ltd.
Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA  94133
Designated Filer: VA Partners, LLC
Issuer and Ticker Symbol: Per Se Technologies, Inc. (PSTI)
Date of Event Requiring Statement: August 20, 2004

Name: Jeffrey W. Ubben
Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA  94133
Designated Filer: VA Partners, LLC
Issuer and Ticker Symbol: Per Se Technologies, Inc. (PSTI)
Date of Event Requiring Statement: August 20, 2004

Name: George F. Hamel, Jr.
Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA  94133
Designated Filer: VA Partners, LLC
Issuer and Ticker Symbol: Per Se Technologies, Inc. (PSTI)
Date of Event Requiring Statement: August 20, 2004

Name: Peter H. Kamin
Address: Two International Place, 25th Floor, Boston, MA  02110
Designated Filer: VA Partners, LLC
Issuer and Ticker Symbol: Per Se Technologies, Inc. (PSTI)
Date of Event Requiring Statement: August 20, 2004</remarks>

    <ownerSignature>
        <signatureName>VALUEACT CAPITAL PARTNERS, L.P., BY VA PARTNERS, L.L.C., ITS GENERAL PARTNER By: /s/ George F. Hamel, Jr. Managing Member</signatureName>
        <signatureDate>2004-08-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>VALUEACT CAPITAL PARTNERS II, L.P., BY VA PARTNERS, L.L.C., ITS GENERAL PARTNER By: /s/ George F. Hamel, Jr. Managing Member</signatureName>
        <signatureDate>2004-08-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>VALUEACT CAPITAL INTERNATIONAL, LTD., BY VA PARTNERS, L.L.C., ITS GENERAL PARTNER By: /s/ George F. Hamel, Jr. Managing Member</signatureName>
        <signatureDate>2004-08-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>VA PARTNERS, L.L.C., ITS GENERAL PARTNER By: /s/ George F. Hamel, Jr. Managing Member</signatureName>
        <signatureDate>2004-08-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Jeffrey W. Ubben</signatureName>
        <signatureDate>2004-08-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ George F. Hamel, Jr.</signatureName>
        <signatureDate>2004-08-24</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Peter H. Kamin</signatureName>
        <signatureDate>2004-08-24</signatureDate>
    </ownerSignature>
</ownershipDocument>

