Attached files
| file | filename |
|---|---|
| EX-32.1 - PSYCHEMEDICS CORP | v176410_ex32-1.htm |
| EX-31.2 - PSYCHEMEDICS CORP | v176410_ex31-2.htm |
| EX-31.1 - PSYCHEMEDICS CORP | v176410_ex31-1.htm |
| EX-32.2 - PSYCHEMEDICS CORP | v176410_ex32-2.htm |
| 10-K - PSYCHEMEDICS CORP | v176410_10k.htm |
EXHIBIT
23.1
Consent
of Independent Registered Public Accounting Firm
Psychemedics
Corporation
Acton,
Massachusetts
We hereby
consent to the incorporation by reference in the Registration Statements on Form
S-3 (Nos. 33-45332 and 33-58970 pertaining to shares issued in private
placements) and Form S-8 (Nos. 33-41787, 33-50712, 33-66942, 333-12403 and
333-134974) pertaining to the Psychemedics Corporation 1989 Incentive stock
Option Plan, the 1989 Non-Qualified Stock Option Plan, the 1991 Non-Qualified
Stock Option Plan and Non-Qualified Stock Option Agreement pursuant to Written
Compensation Agreement, the 1989 Employee Stock Option Plan, the 1989
Non-Qualified Stock Option Plan, the 2000 Stock Option Plan and the 2006 Equity
Incentive Plan) of Psychemedics Corporation of our reports dated March 26, 2010,
relating to the financial statements which appear in the Annual
Report on Form 10-K for the year ended December 31,
2009.
/s/ BDO
Seidman, LLP
Boston,
Massachusetts
March 26,
2010