N.H. Rev. Stat. Ann. § 151-D:2
I. Records of an ambulatory care clinic's quality assurance program, including those of its functional components and committees as defined by the organization's quality assurance plans, organized to evaluate matters relating to the care and treatment of patients and to improve the quality of care provided, and testimony by members on the board of directors of the ambulatory care clinic, medical and clinical staff, employees, or other committee attendees relating to activities of the quality assurance program shall be confidential and privileged and shall be protected from direct or indirect means of discovery, subpoena, or admission into evidence in any judicial or administrative proceeding. However, information, documents, or records otherwise available from original sources are not to be construed as immune from discovery or use in any such civil or administrative action merely because they were presented to a quality assurance program, and any person who supplies information or testifies as part of a quality assurance program, or who is a member of a quality assurance program committee, may not be prevented from testifying as to matters within his or her knowledge, but such witness may not be asked about his or her testimony before such program, or opinions formed by him or her, as a result of committee participation. Further, a program's records shall be discoverable in either of the following cases:
Source. 1995, 116:1. 2002, 221:4, eff. Jan. 1, 2003.