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/A of
our report  dated  March 19,  2004,  except for Note 18, as to which the date is
July 14, 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
July 14, 2004