EXHIBIT 10

                    STOCK RESTRICTION AND VOTING AGREEMENT

         This Stock Restriction and Voting Agreement (the "Agreement") effective
 as of April 29, 1999 is entered into by and among Richard E. Tarrant
("Richard") and Amy E. Tarrant ("Amy").

                                   WITNESSETH:

         WHEREAS,  Richard is on this date  transferring to Amy 2,575,365 shares
(the "Shares") of the Common Stock,  par value $.01 per share ("Common  Stock"),
of IDX Systems Corporation, a Vermont corporation (the "Company"); and

         WHEREAS, the Shares are subject in Richard's  hands  to  that  certain
Redemption  Agreement  dated  April 1,  1993  among  Richard,  Robert  H.  Hoehl
("Hoehl") and the Company,  a copy of which is attached hereto (the  "Redemption
Agreement")  and to the related  voting  trust  agreement  of the same date (the
"Voting Trust"),  and the Redemption  Agreement  provides that the Shares may be
transferred  by  Richard  only  subject  to the  provisions  of  the  Redemption
Agreement and the Voting Trust; and

         WHEREAS,  Richard and Amy desire to set forth certain other  agreements
and restrictions with respect to the Shares;

         NOW THEREFORE,  the parties hereto,  in consideration of the foregoing,
and of other good and valuable  consideration,  the receipt and  sufficiency  is
hereby acknowledged, hereby agree as follows:

1.       Restrictions on Transfer.
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1.1      Amy shall not sell, transfer or otherwise dispose of ("Transfer"),
any of the Shares,  other than as permitted by Section 2 of this Agreement,  and
any  attempted  Transfer by Amy,  other than as  permitted  by Section 2 of this
Agreement,  shall be void and shall transfer no right,  title, or interest in or
to any of such Shares to the purported transferee.

2.       Transfers Not Subject to Restrictions.
         -------------------------------------

2.1      Amy may Transfer Shares to any one or more of Jeremiah, Richard
Jr.,  Brian, Audrey or Ellen  Tarrant  (the  "Tarrant  Children")  or to a trust
established for the benefit of the Tarrant  Children or herself,  or may dispose
of them under her will,  provided that in any such case the transferee  delivers
to Richard and Hoehl a written  instrument  agreeing to be bound by the terms of
the  Redemption  Agreement,  the  Voting  Trust  and this  Agreement  as if such
transferee  were  Amy  (any  such  transferee   referred  to  as  a ("Permitted
Transferee").

2.2      Amy may Transfer Shares to any transferee other than a Permitted
Transferee (an "Other Transferee"), provided that the number of Shares that have
been  Transferred at any time by Amy to Other  Transferees  shall not exceed the
Permitted Number of Transferred  Shares, as defined below. The "Permitted Number
of Transferred  Shares" shall mean, at any given time (the "Measurement  Time"),
the greater of (i) 200,000 shares per calendar year cumulative, commencing after
the  date of this  Agreement  or (ii) the  number  of  shares  of  Common  Stock
Transferred  by  Richard  during  the  period  commencing  on the  date  of this
Agreement and ending at the Measurement Time to transferees other than Richard's
Permitted Transferees.  "Richard's Permitted Transferees" shall mean the Tarrant
Children,  any trust  established  for the  benefit of the  Tarrant  Children or
himself.


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2.3      Amy may Transfer Shares without limitation following the earlier of (i)
the fifth anniversary  of this  Agreement or (ii) the first date upon which
Richard is no longer serving as either a director or officer of the Company.

3.       Voting Shares.
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3.1      Amy agrees that, subject to Section 3.2 below, Richard shall continue
to have all voting rights prior to the tenth  anniversary of this Agreement with
respect to the Shares held by her or any Permitted  Transferee, and, in order to
effectuate  such  grant  of  voting  rights,  Richard  shall  be (and is  hereby
appointed)  the proxy and  attorney-in-fact  of Amy to vote her Shares,  and any
Shares  Transferred by her to a Permitted  Transferee,  at any annual or special
meeting of the  shareholders  of the Company,  or to execute any written consent
without a meeting, for all purposes which require the approval or consent of the
shareholders  of the Company.  The proxy granted  pursuant hereto is irrevocable
and coupled with an economic,  proprietary  and pecuniary  interest.  Such proxy
shall  not  terminate  on  account  of the  death,  disability,  bankruptcy,  or
incompetency of Amy and shall remain in full force and effect until the first to
occur of (i) the tenth  anniversary of this  Agreement,  (ii) the termination of
this Agreement by its terms and (iii) the termination of such proxy by operation
of law.

3.2        Amy  further  acknowledges  that the Shares are subject to
the  Redemption  Agreement  and the Voting  Trust,  including  particularly  the
provisions  of  Section 5 of the  Redemption  Agreement  and the  proxy  granted
therein  by  Richard  to Hoehl,  the  provisions  of which  Section 5 are hereby
incorporated  herein by reference,  and Amy agrees that, as contemplated by such
Section  5,  upon the  death or  during  the  Incompetency  (as  defined  in the
Redemption  Agreement)  of  Richard,  Hoehl  shall have all voting  rights  with
respect to the Shares held by her or any Permitted Transferee,  and, in order to
effectuate such grant of voting rights, Hoehl shall be (and is hereby appointed)
the proxy  and  attorney-in-fact  of Amy,  following  the  death or  during  the
Incompetency of Richard,  to vote her Shares,  and any Shares Transferred by her
to a Permitted Transferee,  at any annual or special meeting of the shareholders
of the Company,  or to execute any written  consent  without a meeting,  for all
purposes  which  require  the  approval  or consent of the  shareholders  of the
Company.  The proxy granted  pursuant  hereto is irrevocable and coupled with an
economic,  proprietary and pecuniary interest. Such proxy shall not terminate on
account of the death, disability,  bankruptcy,  or incompetency of Amy and shall
remain  in full  force  and  effect  until  the  first to occur of (i) the tenth
anniversary of this  Agreement,  (ii) the death or  Incompetency of both Richard
and Hoehl or the  survivor  of them,  (iii) the  termination  of the  Redemption
Agreement by its terms,  (iv) the termination of the proxy granted by Richard to
Hoehl in the  Redemption  Agreement  by  operation of law and (v) the first date
upon which  Richard is no longer  serving as either a director or officer of the
Company.

4.       Termination of Agreement.
         ------------------------

4.1      This Agreement shall terminate upon the earlier of (a) the sale of all
or substantially all of the assets or business of the Company,  by merger,  sale
of  assets  or  otherwise;  (b)  the  transfer  of all of the  Shares  to  Other
Transferees;  (c) the first  date upon  which  Richard  is no longer  serving as
either a director or officer of the Company;  and (the tenth anniversary of this
Agreement.

5.       General.
         -------

5.1      Copy to be Maintained at Company Offices.  An original copy of this
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Agreement, duly executed by each of the parties hereto, shall be delivered to
the Secretary of the

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Company and maintained at the principal executive office of the Company and made
available for inspection by any person requesting it.

5.2      Severability.  The invalidity or unenforceability of any provision of
         -------------
this Agreement shall not affect the validity or enforceability of any other
provision of this Agreement.

5.3      Specific Performance.  In addition to any and all other remedies that
         ---------------------
may be  available at law in the event of any breach of this  Agreement,  Richard
and,  with  respect  to  Section  3.2,  Hoehl  shall  be  entitled  to  specific
performance of the agreements and obligations of Amy hereunder and to such other
injunctive or other  equitable  relief as may be granted by a court of competent
jurisdiction.

5.4      Governing Law.  This Agreement shall be governed by and construed in
         ---------------
accordance with the internal laws of the State of Vermont (without  reference to
the conflicts of law provisions thereof).

5.5      Complete Agreement; Amendments.  This Agreement constitutes the entire
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agreement and  understanding  of the parties  hereto with respect to the subject
matter hereof, and supersedes all prior agreements and  understandings  relating
to such subject matter. No amendment,  modification or termination of, or waiver
under,  any  provision  of this  Agreement  shall be valid unless in writing and
signed by both of the parties hereto.

5.6      Pronouns.  Whenever the context may require, any pronouns used in this
         ---------
Agreement shall include the corresponding  masculine,  feminine or neuter forms,
and the singular form of nouns and pronouns  shall include the plural,  and vice
versa.

5.7      Counterparts; Facsimile Signatures.  This Agreement may be executed in
         -----------------------------------
any number of counterparts, each of which shall be deemed to be an original, and
all of which together shall constitute one and the same document. This Agreement
may be executed by facsimile signatures.

5.8      Section Headings.  The section headings are for the convenience of the
         ------------------
parties and in no way alter, modify, amend, limit or restrict the contractual
obligation of the parties.

Executed on June 8, 2000, effective as of the date first written above.


                                             /S/ RICHARD E. TARRANT
            /S/ RONALD L. ROBERTS            --------------------------
Witness by___________________________        Richard E. Tarrant


                                             /S/ AMY E. TARRANT
            /S/ RONALD L. ROBERTS            --------------------------
Witness by __________________________        Amy E. Tarrant


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