EXHIBIT 4.11

                      CERTIFICATE OF DETERMINATION

                                 of the

               SERIES A JUNIOR PARTICIPATING PREFERRED STOCK
                            (WITHOUT PAR VALUE)

                                    of

                           HEMACARE CORPORATION

                     (Pursuant to Section 401 of the
             General Corporation Law of the State of California)
                   _____________________________________


     The undersigned, Hal I. Lieberman and Sharon C. Kaiser, DO HEREBY
CERTIFY that:

     1.    They are the duly elected and acting President and Chief Financial
           Officer, respectively, of HemaCare Corporation, a corporation
           organized and existing under the General Corporation Law of the
           State of California (the "Company").

     2.    The resolution attached hereto was adopted by the Board of Directors
           of the Company as required by Section 401 of the General Corporation
           Law at a meeting duly called and held on February 23, 1998.

     3.    The number of shares of Series A Junior Participating Preferred
           Stock of the Company is 250,000, of which none have been issued.

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     The undersigned further declare under penalty of perjury under the laws
of the State of California that the matters set forth in the Certificate of
Determination are true and correct of our own knowledge.


Executed at Sherman Oaks, California
on March 17, 1998

                                         /s/ Hal I. Lieberman
                                         -----------------------------
                                         Hal I. Lieberman, President


                                        /s/ Sharon C. Kaiser
                                        -------------------------------
                                        Sharon C. Kaiser,
                                        Chief Financial Officer

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                                EXHIBIT A

          RESOLVED, that pursuant to the authority expressly granted to and
vested in the Board of Directors of this Company in accordance with the
provisions of the Company's Articles of Incorporation, as amended (the
"Articles of Incorporation"), this Board of Directors hereby authorizes the
issuance of a series of the serial Preferred Stock of the Company (the
"Preferred Stock") which shall consist of 250,000 shares of the Company's
Preferred Stock, and hereby fixes the powers, designations, preferences, and
relative participating, optional, or other special rights, and the
qualifications, limitations, or restrictions thereof, of the shares of such
series (in addition to the powers, designations, preferences, and relative
participating, optional or other special rights, and the qualifications,
limitations, or restrictions thereof, set forth in the Articles of
Incorporation of the Company which are applicable to the Preferred Stock) as
follows:

          Series A Junior Participating Preferred Stock:

     Section 1.     Designation and Amount.  The shares of such series shall
be designated as "Series A Junior Participating Preferred Stock" (the "Series
A Preferred Stock") and the number of shares constituting the Series A
Preferred Stock shall be 250,000.   Prior to the issuance of any such shares,
such number of shares may be increased or decreased by resolution of the
Board of Directors.

     Section 2.     Dividends and Distributions.

          (a)     Subject to the rights of the holders of any shares of any
series of Preferred Stock (or any similar stock) ranking prior and superior
to the Series A Preferred Stock with respect to dividends, the holders of
shares of Series A Preferred Stock, in preference to the holders of Common
Stock, without par value (the "Common Stock"), of the Company, and of any
other junior stock, shall be entitled to receive, when, as, and if declared
by the Board of Directors out of funds legally available for the purpose,
quarterly dividends payable in cash on  January 15, April 15, July 15, and
October 15 of each year (each such date being referred to herein as a
"Quarterly Dividend Payment Date"), commencing on the first Quarterly
Dividend Payment Date after the first issuance of a share or fraction of
a share of Series A Preferred Stock, in an amount per share (rounded to
the nearest cent) equal to the greater of (a) $0.02 or (b) subject to the
provision for adjustment hereinafter set forth, 100 times the aggregate per
share amount (payable in kind) of all non-cash dividends or other distributions,
other than a dividend payable in shares of Common Stock or a subdivision of
the outstanding shares of Common Stock (by reclassification or otherwise),
declared on the Common Stock since the immediately preceding Quarterly Dividend
Payment Date or, with respect to the first Quarterly

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Dividend Payment Date, since the first issuance of any share or fraction of a
share of Series A Preferred Stock.  In the event the Company shall at any
time declare or pay any dividend on the Common Stock payable in shares of
Common Stock, or effect a subdivision, combination, or consolidation of the
outstanding shares of Common Stock (by reclassification or otherwise than by
payment of a dividend in shares of Common Stock) into a greater or lesser
number of shares of Common Stock, then in each such case the amount to which
holders of shares of Series A Preferred Stock were entitled immediately prior
to such event under clause (b) of the preceding sentence shall be adjusted by
multiplying such amount by a fraction, the numerator of which is the number of
shares of Common Stock outstanding immediately after such event and the
denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

          (b)     The Company shall declare a dividend or distribution on the
Series A Preferred Stock as provided in paragraph (a) of this Section
immediately after it declares a dividend or distribution on the Common Stock
(other than a dividend payable in shares of Common Stock); provided, however,
that in the event no dividend or distribution shall have been declared on the
Common Stock during the period between any Quarterly Dividend Payment Date
and the next subsequent Quarterly Dividend Payment Date, a dividend of $0.02
per share on the Series A Preferred Stock shall nevertheless be payable on
such subsequent Quarterly Dividend Payment Date.

          (c)     Dividends shall begin to accrue and be cumulative on
outstanding shares of Series A Preferred Stock from the Quarterly Dividend
Payment Date next preceding the date of issue of such shares, unless the date
of issue of such shares is prior to the record date for the first Quarterly
Dividend Payment Date, in which case dividends on such shares shall begin to
accrue from the date of issue of such shares, or unless the date of issue is
a Quarterly Dividend Payment Date or is a date after the record date for the
determination of holders of shares of Series A Preferred Stock entitled to
receive a quarterly dividend and before such Quarterly Dividend Payment Date,
in either of which events such dividends shall begin to accrue and be
cumulative from such Quarterly Dividend Payment Date.  Accrued but unpaid
dividends shall not bear interest.  Dividends paid on the shares of Series A
Preferred Stock in an amount less than the total amount of such dividends at
the time accrued and payable on such shares shall be allocated pro rata on a
share-by-share basis among all such shares at the time outstanding.  The
Board of Directors may fix a record date for the determination of holders of
shares of Series A Preferred Stock entitled to receive payment of a dividend or
distribution declared thereon, which record date shall be not more than 60
days prior to the date fixed for the payment thereof.

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     Section 3.     Voting Rights.  The holders of shares of Series A
Preferred Stock shall have the following voting rights:

          (a)     Subject to the provision for adjustment hereinafter set
forth, each share of Series A Preferred Stock shall entitle the holder
thereof to 100 votes on all matters submitted to a vote of the shareholders of
the Company.  In the event the Company shall at any time declare or pay any
dividend on the Common Stock payable in shares of Common Stock, or effect a
subdivision or combination or consolidation of the outstanding shares of
Common Stock (by reclassification or otherwise than by payment of a dividend
in shares of Common Stock) into a greater or lesser number of shares of
Common Stock, then in each such case the number of votes per share to which
holders of shares of Series A Preferred Stock were entitled immediately prior
to such event shall be adjusted by multiplying such number by a fraction, the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

          (b)     Except as otherwise provided herein, in any other
Certificate of Determination creating a series of Preferred Stock or any
similar stock, or by law, the holders of shares of Series A Preferred Stock
and the holders of shares of Common Stock and any other capital stock of the
Company having general voting rights shall vote together as one class on all
matters submitted to a vote of shareholders of the Company.

          (c)     Except as set forth herein, or as otherwise provided by
law, holders of Series A Preferred Stock shall have no special voting rights
and their consent shall not be required (except to the extent they are entitled
to vote with holders of Common Stock as set forth herein) for taking any
corporate action.

     Section 4.     Certain Restrictions.

          (a)     Whenever quarterly dividends or other dividends or
distributions payable on the Series A Preferred Stock as provided in Section
2 are in arrears, thereafter and until all accrued and unpaid dividends and
distributions, whether or not declared, on shares of Series A Preferred Stock
outstanding shall have been paid in full, the Company shall not:

          (i)     declare or pay dividends, or make any other distributions,
on any shares of stock ranking junior (either as to dividends or upon
liquidation, dissolution or winding up) to the Series A Preferred Stock;

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          (ii)     declare or pay dividends, or make any other distributions,
on any shares of stock ranking on a parity (either as to dividends or upon
liquidation, dissolution or winding up) with the Series A Preferred Stock,
except dividends paid ratably on the Series A Preferred Stock and all such
parity stock on which dividends are payable or in arrears in proportion to
the total amounts to which the holders of all such shares are then entitled;

          (iii)     redeem or purchase or otherwise acquire for consideration
shares of any stock ranking junior (either as to dividends or upon
liquidation, dissolution or winding up) to the Series A Preferred Stock,
provided, that the Company may at any time redeem, purchase or otherwise
acquire shares of any such junior stock in exchange for shares of any stock
of the Company ranking junior (either as to dividends or upon dissolution,
liquidation or winding up) to the Series A Preferred Stock; or

          (iv)     redeem or purchase or otherwise acquire for consideration
any shares of Series A Preferred Stock or shares of any stock ranking on a
parity with the Series A Preferred Stock, except in accordance with a
purchase offer made in writing or by publication (as determined by the Board of
Directors) to all holders of such shares upon such terms as the Board of
Directors, after consideration of the respective annual dividend rates and
other relative rights and preferences of the respective series and classes,
shall determine in good faith will result in fair and equitable treatment
among the respective series and classes.

          (b)     The Company shall not permit any subsidiary of the Company
to purchase or otherwise acquire for consideration any shares of stock of the
Company unless the Company could, under paragraph (a) of this Section 4,
purchase or otherwise acquire such shares at such time and in such manner.

     Section 5.     Reacquired Shares.  Any shares of Series A Preferred
Stock purchased or otherwise acquired by the Company in any manner whatsoever
shall be retired and canceled promptly after the acquisition thereof.  All such
shares upon their cancellation become authorized but unissued shares of
Preferred Stock and may be reissued as part of a new series of Preferred
Stock subject to the conditions and restrictions on issuance set forth herein,
in the Articles of Incorporation, or in any other Certificate of Determination
creating a series of Preferred Stock or any similar stock or as otherwise
required by law.

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     Section 6.     Liquidation, Dissolution or Winding Up.  Upon any
liquidation, dissolution or winding up of the Company, no distribution shall
be made (a) to the holders of shares of stock ranking junior (either as to
dividends or upon liquidation, dissolution or winding up) to the Series A
Preferred Stock unless, prior thereto, the holders of shares of Series A
Preferred Stock shall have received $1.00 per share, plus an amount equal to
accrued and unpaid dividends and distributions thereon, whether or not
declared, to the date of such payment, provided, that the holders of shares
of Series A Preferred Stock shall be entitled to receive an aggregate amount
per share, subject to the provision for adjustment hereinafter set forth,
equal to 100 times the aggregate amount to be distributed per share to holders
of shares of Common Stock, or (b) to the holders of shares of stock ranking
on a parity (either as to dividends or upon liquidation, dissolution or
winding up) with the Series A Preferred Stock, except distributions made
ratably on the Series A Preferred Stock and all such parity stock in
proportion to the total amounts to which the holders of all such shares
are entitled upon such liquidation, dissolution or winding up.  In the event
the Company shall at any time declare or pay any dividend on the Common Stock
payable in shares of Common Stock, or effect a subdivision or combination or
consolidation of the outstanding shares of Common Stock (by reclassification
or otherwise than by payment of a dividend in shares of Common Stock) into a
greater or lesser number of shares of Common Stock, then in each such case the
aggregate amount to which holders of shares of Series A Preferred Stock were
entitled immediately prior to such event under the proviso in clause (a) of
the preceding sentence shall be adjusted by multiplying such amount by a
fraction, the numerator of which is the number of shares of Common Stock
outstanding immediately after such event and the denominator of which is
the number of shares of Common Stock that were outstanding immediately prior
to such event.

     Section 7.     Consolidation, Merger, Etc.  In case the Company shall
enter into any consolidation, merger, combination or other transaction in
which the shares of Common Stock are exchanged for or changed into other
stock or securities, cash and/or any other property, then in any such case
each share of Series A Preferred Stock shall at the same time be similarly
exchanged or changed into an amount per share, subject to the provision for
adjustment hereinafter set forth, equal to 100 times the aggregate amount of
stock, securities, cash and/or any other property (payable in kind), as the
case may be, into which or for which each share of Common Stock is changed or
exchanged.  In the event the Company shall at any time declare or pay any
dividend on the Common Stock payable in shares of Common Stock, or effect a
subdivision, combination or consolidation of the outstanding shares of Common
Stock (by reclassification or otherwise than by payment of a dividend in
shares of Common Stock) into a greater or lesser number of shares of Common
Stock, then in each such case the amount set forth in the preceding sentence
with respect to the exchange or change of shares of Series A Preferred Stock
shall be adjusted by multiplying such amount by a fraction, the numerator of
which is the number of shares

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of Common Stock outstanding immediately after such event and the denominator of
which is the number of shares of Common Stock that were outstanding
immediately prior to such event.

     Section 8.     No Redemption.  The shares of Series A Preferred Stock
shall not be redeemable.

     Section 9.     Rank.  The Series A Preferred Stock shall rank, with
respect to the payment of dividends and the distribution of assets, junior to
all other series of the Company's Preferred Stock which may be authorized
hereafter.

     Section 10.     Amendment.  The Articles of Incorporation and any
Certificates of Determination issued under the authority of the Articles of
Incorporation shall not be amended in any manner which would materially alter
or change the powers, preferences or special rights of the Series A Preferred
Stock so as to affect them adversely without the affirmative vote of the
holders of at least two-thirds of the outstanding shares of Series A
Preferred Stock, voting together as a single class.

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