EXHIBIT 24.1
POWER OF ATTORNEY
KNOWN ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Bradford T. Smith his true
and lawful attorney-in-fact and agent, with full power of
substitution, for him and in his name, place and stead, in
any and all capacities, in connection with the Laboratory
Corporation of America Holdings (the "Corporation") Annual
Report on Form 10-K for the year ended December 31, 2000
under the Securities Exchange Act of 1934, as amended,
including, without limiting the generality of the foregoing,
to sign the Form 10-K in the name and on behalf of the
Corporation or on behalf of the undersigned as a director or
officer of the Corporation, and any amendments to the Form
10-K and any instrument, contract, document or other
writing, of or in connection with the Form 10-K or
amendments thereto, and to file the same, with all exhibits
thereto, and other documents in connection therewith,
including this power of attorney, with the Securities and
Exchange Commission and any applicable securities exchange
or securities self-regulatory body, granting unto said
attorneys-in-fact and agents, each acting alone, full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might
or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agents, each acting alone, or
his substitute or substitutes, may lawfully do or cause to
be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has signed these
presents this 5th day of March, 2001.
By:/s/ JEAN-LUC BELINGARD
--------------------------
Jean-Luc Belingard
EXHIBIT 24.2
POWER OF ATTORNEY
KNOWN ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Bradford T. Smith his true
and lawful attorney-in-fact and agent, with full power of
substitution, for him and in his name, place and stead, in
any and all capacities, in connection with the Laboratory
Corporation of America Holdings (the "Corporation") Annual
Report on Form 10-K for the year ended December 31, 2000
under the Securities Exchange Act of 1934, as amended,
including, without limiting the generality of the foregoing,
to sign the Form 10-K in the name and on behalf of the
Corporation or on behalf of the undersigned as a director or
officer of the Corporation, and any amendments to the Form
10-K and any instrument, contract, document or other
writing, of or in connection with the Form 10-K or
amendments thereto, and to file the same, with all exhibits
thereto, and other documents in connection therewith,
including this power of attorney, with the Securities and
Exchange Commission and any applicable securities exchange
or securities self-regulatory body, granting unto said
attorneys-in-fact and agents, each acting alone, full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might
or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agents, each acting alone, or
his substitute or substitutes, may lawfully do or cause to
be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has signed these
presents this 3rd day of March, 2001.
By:/s/ WENDY E. LANE
---------------------
Wendy E. Lane
EXHIBIT 24.3
POWER OF ATTORNEY
KNOWN ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Bradford T. Smith his true
and lawful attorney-in-fact and agent, with full power of
substitution, for him and in his name, place and stead, in
any and all capacities, in connection with the Laboratory
Corporation of America Holdings (the "Corporation") Annual
Report on Form 10-K for the year ended December 31, 2000
under the Securities Exchange Act of 1934, as amended,
including, without limiting the generality of the foregoing,
to sign the Form 10-K in the name and on behalf of the
Corporation or on behalf of the undersigned as a director or
officer of the Corporation, and any amendments to the Form
10-K and any instrument, contract, document or other
writing, of or in connection with the Form 10-K or
amendments thereto, and to file the same, with all exhibits
thereto, and other documents in connection therewith,
including this power of attorney, with the Securities and
Exchange Commission and any applicable securities exchange
or securities self-regulatory body, granting unto said
attorneys-in-fact and agents, each acting alone, full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might
or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agents, each acting alone, or
his substitute or substitutes, may lawfully do or cause to
be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has signed these
presents this 4th day of March, 2001.
By: /s/ ROBERT E. MITTELSTAEDT
-------------------------------
Robert E. Mittelstaedt
EXHIBIT 24.4
POWER OF ATTORNEY
KNOWN ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Bradford T. Smith his true
and lawful attorney-in-fact and agent, with full power of
substitution, for him and in his name, place and stead, in
any and all capacities, in connection with the Laboratory
Corporation of America Holdings (the "Corporation") Annual
Report on Form 10-K for the year ended December 31, 2000
under the Securities Exchange Act of 1934, as amended,
including, without limiting the generality of the foregoing,
to sign the Form 10-K in the name and on behalf of the
Corporation or on behalf of the undersigned as a director or
officer of the Corporation, and any amendments to the Form
10-K and any instrument, contract, document or other
writing, of or in connection with the Form 10-K or
amendments thereto, and to file the same, with all exhibits
thereto, and other documents in connection therewith,
including this power of attorney, with the Securities and
Exchange Commission and any applicable securities exchange
or securities self-regulatory body, granting unto said
attorneys-in-fact and agents, each acting alone, full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might
or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agents, each acting alone, or
his substitute or substitutes, may lawfully do or cause to
be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has signed these
presents this 3rd day of March, 2001.
By:/s/ JAMES B. POWELL, MD
---------------------------
James B. Powell, MD
EXHIBIT 24.5
POWER OF ATTORNEY
KNOWN ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Bradford T. Smith his true
and lawful attorney-in-fact and agent, with full power of
substitution, for him and in his name, place and stead, in
any and all capacities, in connection with the Laboratory
Corporation of America Holdings (the "Corporation") Annual
Report on Form 10-K for the year ended December 31, 2000
under the Securities Exchange Act of 1934, as amended,
including, without limiting the generality of the foregoing,
to sign the Form 10-K in the name and on behalf of the
Corporation or on behalf of the undersigned as a director or
officer of the Corporation, and any amendments to the Form
10-K and any instrument, contract, document or other
writing, of or in connection with the Form 10-K or
amendments thereto, and to file the same, with all exhibits
thereto, and other documents in connection therewith,
including this power of attorney, with the Securities and
Exchange Commission and any applicable securities exchange
or securities self-regulatory body, granting unto said
attorneys-in-fact and agents, each acting alone, full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might
or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agents, each acting alone, or
his substitute or substitutes, may lawfully do or cause to
be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has signed these
presents this 2nd day of March, 2001.
By:/s/ DAVID B. SKINNER, MD
----------------------------
David B. Skinner, MD
EXHIBIT 24.6
POWER OF ATTORNEY
KNOWN ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Bradford T. Smith his true
and lawful attorney-in-fact and agent, with full power of
substitution, for him and in his name, place and stead, in
any and all capacities, in connection with the Laboratory
Corporation of America Holdings (the "Corporation") Annual
Report on Form 10-K for the year ended December 31, 2000
under the Securities Exchange Act of 1934, as amended,
including, without limiting the generality of the foregoing,
to sign the Form 10-K in the name and on behalf of the
Corporation or on behalf of the undersigned as a director or
officer of the Corporation, and any amendments to the Form
10-K and any instrument, contract, document or other
writing, of or in connection with the Form 10-K or
amendments thereto, and to file the same, with all exhibits
thereto, and other documents in connection therewith,
including this power of attorney, with the Securities and
Exchange Commission and any applicable securities exchange
or securities self-regulatory body, granting unto said
attorneys-in-fact and agents, each acting alone, full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might
or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agents, each acting alone, or
his substitute or substitutes, may lawfully do or cause to
be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has signed these
presents this 1st day of March, 2001.
By:/s/ ANDREW G. WALLACE, MD
-----------------------------
Andrew G. Wallace, MD