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<TITLE>LabOne, Inc. Form 8-K dated December 11, 2003</TITLE>
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<FONT SIZE=5><STRONG><P ALIGN="CENTER">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</P>
</FONT></STRONG><FONT SIZE=4><P ALIGN="CENTER">Washington, D.C. 20549</P>
</FONT><FONT SIZE=5><STRONG><P ALIGN="CENTER">FORM 8-K</P>
</FONT></STRONG><P ALIGN="CENTER">CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</P>
<P ALIGN="CENTER">Date of Report: <U>December 11, 2003</P>
</U><P ALIGN="CENTER">Commission file number: 0-16946</P>
<B><U><FONT FACE="Times,Times New Roman" SIZE=5><P ALIGN="CENTER">LabOne, Inc.</P>
</B></U></FONT><P ALIGN="CENTER">10101 Renner Blvd.</P>
<P ALIGN="CENTER">Lenexa, Kansas 66219</P>
<P ALIGN="CENTER">(913) 888-1770</P>
<FONT FACE="Times,Times New Roman"><P ALIGN="CENTER">Incorporated in Missouri</P>
<P ALIGN="CENTER">I.R.S. Employer Identification Number: 43-1039532</P>
</FONT><FONT FACE="Times,Times New Roman" SIZE=2><P>&nbsp;</P>
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<FONT FACE="Times,Times New Roman"><P>Item 9.&nbsp;&nbsp;Regulation FD Disclosure</P>
</FONT><P ALIGN="CENTER"><B>LabOne Announces Increased Credit Facility

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<P>LabOne, Inc. (Nasdaq: LABS), announced today that it has added three new banks to its lender group and has increased commitments under its revolving credit facility from $100 million to $150 million.  The credit facility, which is co-led by J.P. Morgan Securities Inc. and Wachovia Securities, Inc., includes commitments from Bank of America, N.A., U.S. Bank, N.A., Wells Fargo Bank, N.A., Citibank, N.A., National City Bank of Kentucky, Commerce Bank, N.A. and The Northern Trust Company.</P>


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<I><FONT SIZE=5><P ALIGN="CENTER">Signature</I></FONT><FONT FACE="Times,Times New Roman"> </P>
<P ALIGN="CENTER">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</P>

<P ALIGN="CENTER">&nbsp;</FONT><FONT SIZE=5>LabOne, Inc.</P>
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      <P>Date:&nbsp;&nbsp;December 11, 2003</P></TD>
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      <P>By <U>/s/ <I>John W. McCarty</I></U><BR>John W. McCarty
      <BR>Executive V.P. and Chief Financial Officer
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LabOne, Inc. Form 8-K dated December 11, 2003
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report:
December 11, 2003
Commission file number: 0-16946
LabOne, Inc.
10101 Renner Blvd.
Lenexa, Kansas 66219
(913) 888-1770
Incorporated in Missouri
I.R.S. Employer Identification Number: 43-1039532
Item 9.  Regulation FD Disclosure
LabOne Announces Increased Credit Facility
LabOne, Inc. (Nasdaq: LABS), announced today that it has added three new banks to its lender group and has increased commitments under its revolving credit facility from $100 million to $150 million.  The credit facility, which is co-led by J.P. Morgan Securities Inc. and Wachovia Securities, Inc., includes commitments from Bank of America, N.A., U.S. Bank, N.A., Wells Fargo Bank, N.A., Citibank, N.A., National City Bank of Kentucky, Commerce Bank, N.A. and The Northern Trust Company.
Signature
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
LabOne, Inc.
Date:  December 11, 2003
By
/s/
John W. McCarty
John W. McCarty
Executive V.P. and Chief Financial Officer