UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-Q/A

(Amendment No. 1)

For the quarterly period ended June 30, 2012

For the transition period from             to

Commission File Number: 0-28666

AMERICAN BIO MEDICA CORPORATION

(Exact name of registrant as specified in its charter)

518-758-8158

(Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days     x Yes     ¨ No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files)     x Yes     ¨ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act)     ¨ Yes    x No

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date:

21,833,003 Common Shares as of August 13, 2012

EXPLANATORY NOTE

The purpose of this Amendment No. 1 to American Bio Medica Corporation’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2012, filed with the Securities and Exchange Commission on August 14, 2012, is solely to furnish Exhibit 101 to the Form 10-Q. Exhibit 101 provides the financial statements and related notes from the Form 10-Q formatted in XBRL (eXtensible Business Reporting Language). No other changes have been made to the Form 10-Q. This Amendment does not reflect events that may have occurred subsequent to the original filing date.

Item 6. Exhibits

31.1/31.2*            Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer/Chief Financial Officer

*Previously filed as an exhibit to the original Quarterly Report on Form 10-Q filed August 14, 2012.

**Furnished herewith.

SIGNATURES

In accordance with the requirements of the Exchange Act, the registrant has caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Dated: September 10, 2012