EXHIBIT 23.1


     CONSENT OF ODENBERG ULLAKKO MURANISHI & CO. LLP, INDEPENDENT AUDITORS

The Board of Directors
Calypte Biomedical Corporation:

We hereby consent to the use in this Registration  Statement on Form SB-2 of our
report  dated  March  19,  2004,  except  for Note 18,  as to which  the date is
December  16,  2004,  relating  to the  consolidated  balance  sheets of Calypte
Biomedical  Corporation  and  subsidiaries as of December 31, 2003 and 2002, and
the  related  consolidated   statements  of  operations,   stockholders'  equity
(deficit), and cash flows for the years then ended, which report appears in such
Registration  Statement.  We also consent to the reference to our firm under the
heading "Interest of Named Experts and Counsel" in such Registration Statement.

/s/ Odenberg Ullakko Muranishi & Co. LLP

San Francisco, California
December 23, 2004