Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the following Registration Statements:
| 1) | Registration Statement (Form S-8 No. 333-144293) pertaining to the Alphatec Holdings, Inc. 2005 Employee, Director and Consultant Stock Plan, |
| 2) | Registration Statement (Form S-8 No. 333-147212) pertaining to the Alphatec Holdings, Inc. 2007 Employee Stock Purchase Plan, |
| 3) | Registration Statement (Form S-8 No. 333-187189) pertaining to the Alphatec Holdings, Inc. 2007 Employee Stock Purchase Plan, |
| 4) | Registration Statement (Form S-8 No. 333-187190) pertaining to the Amended and Restated Alphatec Holdings, Inc. 2005 Employee, Director and Consultant Stock Plan, |
| 5) | Registration Statement, as amended (Form S-3 No. 333-195604) of Alphatec Holdings, Inc., |
| 6) | Registration Statement (Form S-8 No. 333-196616) pertaining to the Alphatec Holdings, Inc. Amended 2007 Employee Stock Purchase Plan, |
| 7) | Registration Statement (Form S-8 No. 333-196617) pertaining to the Amended and Restated Alphatec Holdings, Inc. 2005 Employee, Director and Consultant Stock Plan, |
| 8) | Registration Statement (Form S-3 No. 333-200869) of Alphatec Holdings, Inc., |
| 9) | Registration Statement (Form S-8 No. 333-202504) pertaining to the Alphatec Holdings, Inc. Amended 2007 Employee Stock Purchase Plan, |
| 10) | Registration Statement (Form S-8 No. 333-202505) pertaining to the Amended and Restated Alphatec Holdings, Inc. 2005 Employee, Director and Consultant Stock Plan, |
| 11) | Registration Statement (Form S-8 No. 333-211182) pertaining to the Alphatec Holdings, Inc. Amended 2007 Employee Stock Purchase Plan, |
| 12) | Registration Statement (Form S-8 No. 333-213981) pertaining to the Alphatec Holdings, Inc. 2016 Equity Incentive Plan and the Alphatec Holdings, Inc. 2016 Employment Inducement Award Plan, |
| 13) | Registration Statement (Form S-8 No. 333-215036) pertaining to the Alphatec Holdings, Inc. 2016 Employment Inducement Award Plan, |
| 14) | Registration Statement (Form S-8 No. 333-217055) pertaining to the Alphatec Holdings, Inc. 2016 Employment Inducement Award Plan and the Alphatec Holdings, Inc. Amended 2007 Employee Stock Purchase Plan, |
| 15) | Registration Statement (Form S-3 No. 333-217444) of Alphatec Holdings, Inc., |
| 16) | Registration Statement (Form S-8 No. 333-217907) pertaining to the Alphatec Holdings, Inc. Amended and Restated 2007 Employee Stock Purchase Plan, |
| 17) | Registration Statement (Form S-8 No. 333-221084) pertaining to the Alphatec Holdings, Inc. 2016 Employment Inducement Award Plan, and |
| 18) | Registration Statement (Form S-3 No. 333-221085) of Alphatec Holdings, Inc.; |
of our report dated March 30, 2017, with respect to the financial statements of Alphatec Holdings, Inc. included in this Annual Report (Form 10-K) of Alphatec Holdings, Inc. for the year ended December 31, 2016.
/s/ Ernst & Young LLP
San Diego, California
March 9, 2018