LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS


The undersigned hereby constitutes and appoints each of Troy Cox, Jason Ryan and
Robert W. Hesslein, signing singly, and with full power of substitution, the
undersigned's true and lawful attorney-in-fact to:

     (1) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Foundation Medicine, Inc. (the
"Company"), from time to time the following U.S. Securities and Exchange
Commission ("SEC") forms: (i) Form ID, including any attached documents, to
effect the assignment of codes to the undersigned to be used in the transmission
of information to the SEC using the EDGAR System; (ii) Form 3, Initial Statement
of Beneficial Ownership of Securities, including any attached documents; (iii)
Form 4, Statement of Changes in Beneficial Ownership of Securities, including
any attached documents; (iv) Form 5, Annual Statement of Beneficial Ownership of
Securities in accordance with Section 16(a) of the Securities Exchange Act of
1934, as amended, and the rules thereunder, including any attached documents;
(v) Schedule 13D and (vi) amendments of each thereof, in accordance with the
Securities Exchange Act of 1934, as amended, and the rules thereunder, including
any attached documents;

     (2) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form 3, 4
or 5, Schedule 13D or any amendment(s) thereto, and timely file such form(s)
with the SEC and any securities exchange, national association or similar
authority; and

     (3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

     The undersigned hereby grants to such attorney-in-fact, full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted.  The undersigned acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of the undersigned, is not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 or Regulation 13D-G of the Securities Exchange Act of 1934, as
amended. The undersigned hereby agrees to indemnify the attorney-in-fact and the
Company from and against any demand, damage, loss, cost or expense arising from
any false or misleading information provided by the undersigned to the
attorney-in-fact.

     This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file such forms with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorney-in-fact.

	IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of June 26, 2017.





                                         /s/ Melanie Nallicheri
                                         Signature