GILBERTSON, Justice.
[¶ 1.] David, Cathy and Jon Maynard (Maynards) filed an intermediate appeal from the circuit court’s discovery order requiring them to provide Raymond Heeren (Heeren) with all psychotherapy records of Cathy Maynard.1 We affirm with instruction.
FACTS AND PROCEDURAL HISTORY
[¶ 2.] David and Cathy Maynard are the parents of an autistic son, Jon. Heeren allegedly is the leader of a taxpayer group opposed to the expense generated by the Greater Hoyt School District’s special education placement of Jon. The Maynards claim that Heeren made false statements about them to Union County taxpayers through solicited telephone calls, newspaper advertisements and media interviews. The Maynards are suing Heeren for negligent misrepresentation, invasion of privacy, slander, and intentional infliction of emotional distress.
[¶ 3.] Through the discovery process, Heeren discovered that Cathy Maynard was seeing a psychotherapist, Dr. Douglas Anderson. Pursuant to the rules of discovery, Heeren moved for production of:
All progress notes, therapists’ notes, reports, correspondence, personality inventory answer sheets, statements for services rendered, flies and all other documents and tangible things generated or reviewed by ... [Dr.] Anderson ... in the course of evaluation and treatment of Cathy Maynard.
[833]*833[¶ 4.] When the Maynards failed to provide the requested documents and answers to interrogatories, Heeren filed a motion to compel discovery. Maynards agreed to provide some treatment records, but provided evidence that it was Dr. Anderson’s opinion that disclosure of all treatment records and the intensely personal information Mrs. Maynard divulged to him would be detrimental to her treatment. Following a hearing on Heeren’s motion to compel, the trial court ordered Mrs. Maynard to turn over the requested information or face dismissal of the May-nards’ claims for emotional or mental injury and damage. The Maynards petitioned for an intermediate appeal, which was granted by this Court.
STANDARD OF REVIEW
[¶ 5.] We review the trial court’s rulings on discovery matters under an abuse of discretion standard. Weisbeck v. Hess, 524 N.W.2d 363, 364 (S.D.1994) (citing Aberle v. Ringhausen, 494 N.W.2d 179,182-83 (S.D. 1992)). When we are asked to determine whether the trial court’s order violated the psychologist-patient confidentiality privilege, however, it raises a question of statutory interpretation requiring de novo review. Weisbeck, 524 N.W.2d at 364-65; see also Delzer v. Penn, 534 N.W.2d 58, 61 (S.D.1995) (statute construction is question of law fully reviewable).
LEGAL ISSUE AND ANALYSIS
[¶ 6.] Whether SDCL 19-13-6 (the physician-patient privilege) prevents the trial court from ordering disclosure of psychological records of a patient whose mental or emotional harm is an element of her claim.
[¶ 7.] At common law, there was no physician-patient privilege, and therefore no psychotherapist-patient privilege. Charles Alan Wright & Kenneth W. Graham, Federal Practice & Procedure § 5543 (1989). The proposal for a physician-patient privilege, known as Proposed Rule 504, was not adopted into the Federal Rules of Evidence. Id. The Military Rules of Evidence recognize no physician-patient privilege. Id. Nevertheless, virtually all 50 states and the District of Columbia have enacted a psychotherapist privilege into law in some form. Jaffee v. Redmond, — U.S.-,-n. 11, 116 S.Ct. 1923, 1929 n. 11, 135 L.Ed.2d 337, 346 (1996) (listing statute citations).2
[¶ 8.] Every privilege limits the evidence available in the judicial fact-finding process. State v. Jaques, 256 N.W.2d 559, 564 (S.D.1977) (Zastrow, J., concurring specially). This disadvantage is balanced against the public policy argument in favor of the privilege:
The physician-patient privilege expresses a long-standing policy to encourage uninhibited communication between a physician and his patient. It is a privilege that seeks to insure the free flow of health care, absent any fears on the patient’s part that anything he says might later be used against him.
People ex rel. D.K., 245 N.W.2d 644, 648 (S.D.1976) (internal citation omitted).
[¶ 9.] The psychotherapist privilege in South Dakota is encompassed within the physician-patient privilege contained in SDCL 19-13-7: “[a] patient has a privilege to refuse to disclose and to prevent any other person from disclosing confidential communications made for the purpose of diagnosis or treatment of his ... mental or emotional condition[.]” A communication is confidential:
if not intended to be disclosed to third persons, except persons present to further the interest of patient in the consultation, examination, or interview, persons reasonably necessary for the transmission of the communication, or persons who are partic[834]*834ipating in the diagnosis and treatment under the direction of the physician or psychotherapist, including members of the patient’s family.
SDCL 19-13-6.
[¶ 10.] It is generally recognized that the psychotherapy privilege can be waived by the patient. Jaffee, — U.S. at -, n. 14, 116 S.Ct. at 1931, n. 14, 135 L.Ed.2d at 348, n. 14. We have provided coui’t rules for waiver of the physician-patient privilege in South Dakota, including SDCL 19-13-11, cited by both parties as applicable to the case at bar. SDCL 19-13-11 provides:
There is no privilege under § 19-13-7 as to a communication relevant to an issue of the physical, mental or emotional condition of the patient in any proceeding in which he relies upon the condition as an element of his claim or defense or, after the patient’s death, in any proceeding in which any party relies upon the condition as an element of his claim or defense.
SDCL 19-13-11 speaks only to proceedings where the mental or emotional condition is an element Mental and emotional harm is an element of two of the causes of action in the Maynards’ complaints — invasion of privacy3 and intentional infliction of emotional distress.4
[¶ 11.] There exists a second statutory waiver of the physician-patient privilege which we conclude also applies in the instant case.5 SDCL 19-2-3 provides, in part:
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GILBERTSON, Justice.
[¶ 1.] David, Cathy and Jon Maynard (Maynards) filed an intermediate appeal from the circuit court’s discovery order requiring them to provide Raymond Heeren (Heeren) with all psychotherapy records of Cathy Maynard.1 We affirm with instruction.
FACTS AND PROCEDURAL HISTORY
[¶ 2.] David and Cathy Maynard are the parents of an autistic son, Jon. Heeren allegedly is the leader of a taxpayer group opposed to the expense generated by the Greater Hoyt School District’s special education placement of Jon. The Maynards claim that Heeren made false statements about them to Union County taxpayers through solicited telephone calls, newspaper advertisements and media interviews. The Maynards are suing Heeren for negligent misrepresentation, invasion of privacy, slander, and intentional infliction of emotional distress.
[¶ 3.] Through the discovery process, Heeren discovered that Cathy Maynard was seeing a psychotherapist, Dr. Douglas Anderson. Pursuant to the rules of discovery, Heeren moved for production of:
All progress notes, therapists’ notes, reports, correspondence, personality inventory answer sheets, statements for services rendered, flies and all other documents and tangible things generated or reviewed by ... [Dr.] Anderson ... in the course of evaluation and treatment of Cathy Maynard.
[833]*833[¶ 4.] When the Maynards failed to provide the requested documents and answers to interrogatories, Heeren filed a motion to compel discovery. Maynards agreed to provide some treatment records, but provided evidence that it was Dr. Anderson’s opinion that disclosure of all treatment records and the intensely personal information Mrs. Maynard divulged to him would be detrimental to her treatment. Following a hearing on Heeren’s motion to compel, the trial court ordered Mrs. Maynard to turn over the requested information or face dismissal of the May-nards’ claims for emotional or mental injury and damage. The Maynards petitioned for an intermediate appeal, which was granted by this Court.
STANDARD OF REVIEW
[¶ 5.] We review the trial court’s rulings on discovery matters under an abuse of discretion standard. Weisbeck v. Hess, 524 N.W.2d 363, 364 (S.D.1994) (citing Aberle v. Ringhausen, 494 N.W.2d 179,182-83 (S.D. 1992)). When we are asked to determine whether the trial court’s order violated the psychologist-patient confidentiality privilege, however, it raises a question of statutory interpretation requiring de novo review. Weisbeck, 524 N.W.2d at 364-65; see also Delzer v. Penn, 534 N.W.2d 58, 61 (S.D.1995) (statute construction is question of law fully reviewable).
LEGAL ISSUE AND ANALYSIS
[¶ 6.] Whether SDCL 19-13-6 (the physician-patient privilege) prevents the trial court from ordering disclosure of psychological records of a patient whose mental or emotional harm is an element of her claim.
[¶ 7.] At common law, there was no physician-patient privilege, and therefore no psychotherapist-patient privilege. Charles Alan Wright & Kenneth W. Graham, Federal Practice & Procedure § 5543 (1989). The proposal for a physician-patient privilege, known as Proposed Rule 504, was not adopted into the Federal Rules of Evidence. Id. The Military Rules of Evidence recognize no physician-patient privilege. Id. Nevertheless, virtually all 50 states and the District of Columbia have enacted a psychotherapist privilege into law in some form. Jaffee v. Redmond, — U.S.-,-n. 11, 116 S.Ct. 1923, 1929 n. 11, 135 L.Ed.2d 337, 346 (1996) (listing statute citations).2
[¶ 8.] Every privilege limits the evidence available in the judicial fact-finding process. State v. Jaques, 256 N.W.2d 559, 564 (S.D.1977) (Zastrow, J., concurring specially). This disadvantage is balanced against the public policy argument in favor of the privilege:
The physician-patient privilege expresses a long-standing policy to encourage uninhibited communication between a physician and his patient. It is a privilege that seeks to insure the free flow of health care, absent any fears on the patient’s part that anything he says might later be used against him.
People ex rel. D.K., 245 N.W.2d 644, 648 (S.D.1976) (internal citation omitted).
[¶ 9.] The psychotherapist privilege in South Dakota is encompassed within the physician-patient privilege contained in SDCL 19-13-7: “[a] patient has a privilege to refuse to disclose and to prevent any other person from disclosing confidential communications made for the purpose of diagnosis or treatment of his ... mental or emotional condition[.]” A communication is confidential:
if not intended to be disclosed to third persons, except persons present to further the interest of patient in the consultation, examination, or interview, persons reasonably necessary for the transmission of the communication, or persons who are partic[834]*834ipating in the diagnosis and treatment under the direction of the physician or psychotherapist, including members of the patient’s family.
SDCL 19-13-6.
[¶ 10.] It is generally recognized that the psychotherapy privilege can be waived by the patient. Jaffee, — U.S. at -, n. 14, 116 S.Ct. at 1931, n. 14, 135 L.Ed.2d at 348, n. 14. We have provided coui’t rules for waiver of the physician-patient privilege in South Dakota, including SDCL 19-13-11, cited by both parties as applicable to the case at bar. SDCL 19-13-11 provides:
There is no privilege under § 19-13-7 as to a communication relevant to an issue of the physical, mental or emotional condition of the patient in any proceeding in which he relies upon the condition as an element of his claim or defense or, after the patient’s death, in any proceeding in which any party relies upon the condition as an element of his claim or defense.
SDCL 19-13-11 speaks only to proceedings where the mental or emotional condition is an element Mental and emotional harm is an element of two of the causes of action in the Maynards’ complaints — invasion of privacy3 and intentional infliction of emotional distress.4
[¶ 11.] There exists a second statutory waiver of the physician-patient privilege which we conclude also applies in the instant case.5 SDCL 19-2-3 provides, in part:
In any action or proceeding or quasi-judicial administrative proceeding, whenever the physical or mental health of any person is in issue, any privilege under § 19-13-7 shall conclusively be deemed to be waived at trial or for the purposes of discovery under chapter 15-6 if such action or proceeding is civil in nature[.]
Even if the emotional and mental state of Mrs. Maynard is not an element of the May-nards’ claims for their other two causes of action, i.e., slander and negligent misrepresentation, the alleged mental harm must be used to prove up the element of injury required in both.6 The Maynai’ds in their claim for damages request compensatory damages of $250,000 plus medical bills and punitive damages for slander and intentional infliction of emotional distress. Certainly the alleged emotional suffering of Mrs. Maynard [835]*835is evidence in their proof of damages, especially in the consideration of punitive damages. Because SDCL 19-13-11 and 19-2-3 apply, we address both statutes in responding to the issue raised by the Maynards.
[¶ 12.] The patient-litigant exceptions of SDCL 19-13-11 and 19-2-3 are grounded in the theory that when a patient makes a claim or defense in litigation on the basis of the patient’s condition, it would be unjust to deny the other party an opportunity to show the invalidity of that claim or defense. Wright & Graham, § 5543. An additional justification for the exception has been explained as follows:
[O]ne may be suspicious that the [physician-patient] privilege is being corrupted as an instrument for the suppression of truth when the patient invokes it to close the mouth of the one person in the best position to support his claims if they were true.
Id. The general rule is that unless there is a privilege, all relevant evidence is discoverable. SDCL 15-6-26; Kaarup v. St. Paul Fire & Marine Ins., 436 N.W.2d 17, 20 (S.D. 1989).
[¶ 13.] When a statute’s language is clear, certain and unambiguous, our interpretation is confined to declaring its meaning as plainly expressed. In re Certification of a Question of Law (Wiersma), 1996 SD 16, ¶ 6, 543 N.W.2d 787, 790. Since we construe statutes according to their intent, the intent must be determined from the statute as a whole, as well as other statutes relating to the same subject. U.S. West Communications, Inc. v. Public Utils. Comm’n, 505 N.W.2d 115,123 (S.D.1993). SDCL 19-13-11 and 19-2-3 clearly relate to the same subject — waiver of physician-patient privilege by a patient-litigant. The plain language of both SDCL 19-13-11 and 19-2-3 is clear, certain and unequivocal, and those statutes when read together show the waiver of privilege was intended to be absolute as to discovery of relevant evidence.
There is no privilege under § 19-13-7 as to a communication relevant to an issue of the physical, mental or emotional condition of the patient in any proceeding in which he relies upon the condition as an element of his claim or defense or, after the patient’s death, in any proceeding in which any party relies upon the condition as an element of his claim or defense.
SDCL 19-13-11 (emphasis added).
In any action or proceeding or quasi-judicial administrative proceeding, whenever the physical or mental health of any person is in issue, any privilege under § 19-13-7 shall conclusively be deemed to be waived at trial or for the purposes of discovery under chapter 15-6 if such action or proceeding is civil in naturef.]
SDCL 19-2-3 (emphasis added).
[¶ 14.] The words “no” and “conclusively” were placed in these evidentiary rules for a reason. When we interpret a statute or court rule, “[n]o wordage should be found to be surplus. No provision can be left without meaning. If possible, effect should be given to every part and every word.” Cummings v. Mickelson, 495 N.W.2d 493, 500 (S.D.1993) (internal citations omitted). Because the language of this statute and evidentiary rule is clear and unambiguous, we assume that this Court and the Legislature at the time they adopted the patient-litigant exceptions meant what they said and said what they meant. Miller v. Hernandez, 520 N.W.2d 266, 269 (S.D.1994).
[¶ 15.] We hold that the waiver of privilege contained in SDCL 19-13-11 and 19-2-3 gives the party seeking disclosure an absolute right of access to the privileged material. While the access may be absolute, this does not limit the sound discretion of the trial court in placing reasonable restrictions upon dissemination and use of the sought-after material. The party seeking to oppose discovery has the right to an in camera hearing to determine whether the material is relevant.7 The party seeking to invoke the [836]*836privilege may file a motion for protective order under SDCL 15-6-26(c) or objections to discovery pursuant to SDCL 15-6-33(b) and 15-6-34(b). In order to allow this Court to fully review the decision of the trial court, the in camera hearing must be held in the presence of both parties, both parties must have access to the contested information, and both parties must be allowed to make then-record.8
[¶ 16.] Full disclosure under SDCL 19-13-11 and 19-2-3 does not leave the patient-litigant totally vulnerable and at the mercy of the discovering party for the balance of the case and thereafter. The trial court has the power to protect privileged information not subject to the waiver. Under its inherent authority “to do all things that are reasonably necessary for the administration of justice within the scope of [its] jurisdiction,” In re Reif, 478 N.W.2d 815, 819 (S.D.1991), the trial court may order that the inadmissible contents of any records be sealed9 and that the adversarial party be prevented from revealing them to anyone. The parties in the instant case agreed that the records should be sealed pending the outcome of this intermediate appeal. Motions in limine prior to trial would offer further protection against unnecessary public disclosure. In the exercise of its discretion in this area, the trial court will be faced with situations where the privilege is invoked as a shield when the nondisclosure of the information and the conditions it protects are being-used as a sword. Such is the case now before us. Clearly, heightened care must be exercised in other instances to avoid abuse or improper disclosure where the material pertains to an involuntary defendant rather than a voluntary plaintiff.
[¶ 17.] Existing law also provides an enforcement tool to assure that no privileged information is misused by the discovering litigant. The public disclosure of irrelevant confidential material by a discovering party would appear to us to be a prima facie violation of Rule 11. SDCL 15-6-11. If such disclosure is not necessary for litigation purposes, it would appear on its face to be for the improper purpose of harassment or embarrassment of the other party. SDCL 15-6-11(a). Rule 11 provides a deterrent to misuse by both the discovering attorney and litigant, since its sanctions can be imposed on the offending attorney, party or both. SDCL 15-6-ll(b).
[¶ 18.] We agree with other courts that the waiver of the privilege for litigation purposes does not waive the privilege in its entirety. Samms v. District Court, Fourth Jud. Dist., 908 P.2d 520 (Colo.1995) (extent of waiver depends on facts; some or all discussions remain subject to privilege); Ulibarri v. Superior Court ex rel County of Coconino, 184 Ariz. 382, 909 P.2d 449 (App. [837]*8371995) (scope of waiver limited only to those communications concerning specific condition at issue); Palay v. Superior Court, 18 Cal. App.4th 919, 22 Cal.Rptr.2d 839 (1993) (mother’s prenatal records not privileged, but privilege retained as to rest of her medical history); McGowan v. O’Neill, 750 S.W.2d 884 (Tex.App.1988) (trial court discovery order overbroad; failed to incorporate safeguards allowing plaintiff to preserve physician/patient privilege with respect to nonrelevant communications or records). This interpretation is supported by the limiting language of our waiver statutes: SDCL 19-13-11 (“communication relevant to an issue”) and SDCL 19-2-3 (“waived at trial or for the purposes of discovery”) (emphasis added). The information deemed not be relevant to trial remains privileged.
[¶ 19.] We hold that the waiver of privilege in this case under SDCL 13-2-3 and 13-3-11 is absolute as to an opposing party in this litigation, and remand to the trial court for action consistent with this opinion.10
[¶ 20.] MILLER, C.J., and SABERS, J., concur.
[¶ 21.] AMUNDSON and KONENKAMP, JJ., concur in part and dissent in part.