-----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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<SEC-DOCUMENT>0001323700-06-000001.txt : 20061006
<SEC-HEADER>0001323700-06-000001.hdr.sgml : 20061006
<ACCEPTANCE-DATETIME>20061006105103
ACCESSION NUMBER:		0001323700-06-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061005
FILED AS OF DATE:		20061006
DATE AS OF CHANGE:		20061006

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MEDICSIGHT INC
		CENTRAL INDEX KEY:			0001001601
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				133758042
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		46 BERKELEY SQUARE
		CITY:			LONDON UNITED KINGDO
		ZIP:			W1Y 7FF
		BUSINESS PHONE:		2124064700

	MAIL ADDRESS:	
		STREET 1:		C/O LAW OFFICE OF BECKMAN MILLMAN & SAND
		STREET 2:		116 JOHN STREET
		CITY:			NEW YORKMELVILLE
		STATE:			NY
		ZIP:			10038

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HTTP TECHNOLOGY INC
		DATE OF NAME CHANGE:	20001016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNET HOLDINGS INC
		DATE OF NAME CHANGE:	19980520

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHINA BIOMEDICAL GROUP INC
		DATE OF NAME CHANGE:	19951003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VAN HOOF HANS
		CENTRAL INDEX KEY:			0001345087

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32698
		FILM NUMBER:		061132758

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		44 (0) 1534 765380

	MAIL ADDRESS:	
		STREET 1:		C/O VHC INTERNATIONAL LIMITED
		STREET 2:		23-27 SEATON PLACE, ST. HELIER
		CITY:			JERSEY, CHANNEL ISLANDS
		STATE:			X0
		ZIP:			JE2 3QL

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VHC International LTD
		CENTRAL INDEX KEY:			0001323700
		STATE OF INCORPORATION:			XX
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32698
		FILM NUMBER:		061132759

	BUSINESS ADDRESS:	
		STREET 1:		4TH FLOOR, CHARTER PLACE
		STREET 2:		23-27 SEATON PLACE
		CITY:			ST HELIER, JERSEY, CI
		STATE:			XX
		ZIP:			JE2 3QL
		BUSINESS PHONE:		441534765380

	MAIL ADDRESS:	
		STREET 1:		4TH FLOOR, CHARTER PLACE
		STREET 2:		23-27 SEATON PLACE
		CITY:			ST HELIER, JERSEY, CI
		STATE:			XX
		ZIP:			JE2 3QL
</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>2006-10-05</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001001601</issuerCik>
        <issuerName>MEDICSIGHT INC</issuerName>
        <issuerTradingSymbol>MGT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001323700</rptOwnerCik>
            <rptOwnerName>VHC International LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4TH FLOOR, CHARTER PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>23-27 SEATON PLACE</rptOwnerStreet2>
            <rptOwnerCity>ST HELIER, JERSEY, CI</rptOwnerCity>
            <rptOwnerState>XX</rptOwnerState>
            <rptOwnerZipCode>JE2 3QL</rptOwnerZipCode>
            <rptOwnerStateDescription>Unknown</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001345087</rptOwnerCik>
            <rptOwnerName>VAN HOOF HANS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O VHC INTERNATIONAL LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>23-27 SEATON PLACE, ST. HELIER</rptOwnerStreet2>
            <rptOwnerCity>JERSEY, CHANNEL ISLANDS</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>JE2 3QL</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</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>2006-10-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>280000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.9899</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3869133</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These securities are held in the accounts of investment partnerships and investment funds (collectively, the &quot;Investment Vehicles&quot;) for which VHC International Limited (&quot;VHC&quot;) serves as either general partner or investment manager. VHC or Mr van Hoof may be deemed to beneficially own the securities held by the Investment Vehicles by virtue of VHC's position as general partner or investment manager of the Investment Vehicles and Mr van Hoof's status as a director of VHC and portfolio manager of the Investment Vehicles. Each of the Reporting Person and the joint filer (individually, each a &quot;Reporting Person&quot; and collectively, the &quot;Reporting Persons&quot;) disclaims beneficial ownership of the reported securities except of his or its pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>VHC International Limited</signatureName>
        <signatureDate>2006-10-05</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Hans van Hoof</signatureName>
        <signatureDate>2006-10-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----