POSITIVEID (PSID) 10-K 2010 FY Annual report

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-142671, 333-145445, 333-157369, 333-163066 and 333-170958), in Post Effective Amendment No. 1 on Form S-8 to the Registration Statement on Form S-4 (No. 333-161991), and the Registration Statements on Form S-3 (Nos. 333-157696, 333-158625, 333-165849, 333-165850, 333-166359 and 333-168085) of our report dated March  25, 2011 relating to our audits of the consolidated financial statements of PositiveID Corporation, formerly known as VeriChip Corporation, which report is included in the Annual Report on Form 10-K for the year ended December 31, 2010. We also consent to the reference to our firm as Experts in the Registration Statements on Forms S-3 and S-4.

/s/ EisnerAmper LLP

March 25, 2011
New York, New York