N.H. Rev. Stat. Ann. § 141-G:15

Subject to rules adopted by the commissioner under RSA 141-G:19, an applicant's workers' compensation insurance carrier shall be responsible for paying the costs of the test, including the charges of the health care facility taking the blood sample and the charges of the laboratory for the analysis of the sample. An applicant without insurance coverage may request testing under this subdivision, however, he or she shall be responsible for paying for the testing order and may be required to pay for testing in advance.