CAVANAGH, J.
In this case we must decide whether a plaintiff-patient may pursue a common-law medical malpractice claim against his or her mental health professional when the mental health professional allegedly negligently placed the plaintiff in danger of harm at the hands of another patient or whether the Mental Health Code, in MCL 330.1946, abrogated such a common-law claim. We hold that MCL 330.1946 did not abrogate a plaintiff-patient’s common-law medical malpractice claim when the mental health professional’s separate duty arising out of his or her special relationship with the patient would apply and no “threat as described in [MCL 330.1946(1)]” was communicated to the mental health professional. MCL 330.1946(1). Therefore, we reverse the judgment of-the Court of Appeals.
I. FACTS AND PROCEDURE
On June 11, 1999, Joseph Brooks, a former psychiatric patient of defendants
Dr. Reuven Bar-Levav and
Dr. Leora Bar-Levav and a former participant in the group therapy sessions attended by plaintiff, Elizabeth Dawe, entered defendants’ office with a handgun. Brooks shot and killed Dr. Reuven Bar-Levav without warning. Brooks then entered the back office area and fired the gun into a room where plaintiff was participating in a group therapy session. Brooks killed one patient and wounded others, including plaintiff. After firing multiple rounds into the group therapy room, Brooks committed suicide.
Plaintiff sued defendants, alleging that they were liable for common-law medical malpractice and under MCL 330.1946 for failure to warn her of or protect her from a threat. Plaintiff claimed that Brooks had previously made threatening statements to defendants and that he had demonstrated his ability to carry out the threats when he came to defendants’ office with a gun on an earlier occasion.
Further, plaintiff claimed that Brooks gave defendants a “manuscript” that could be considered a threat of violence against other members of his group therapy sessions, including plaintiff. Finally, plaintiff alleged that defendants committed common-law medical malpractice by breaching their standard of care to plaintiff as a patient by negligently placing Brooks in her group therapy session when they knew or should have known that Brooks was not a suitable candidate for group therapy.
The trial court denied defendants’ motion for summary disposition, and the case was heard by a jury. The trial court also denied defendants’ motion at the close of
plaintiffs proofs for a partial directed verdict on plaintiffs failure-to-warn-or-protect claim under MCL 330.1946. The jury returned a verdict in favor of plaintiff, and defendants moved for judgment notwithstanding the verdict (JNOV) and for a new trial, both of which the trial court denied.
Defendants appealed, and, in a split decision, the Court of Appeals reversed the trial court’s denial of defendants’ motion for a directed verdict, vacated the judgment, and remanded the case for entry of an order granting defendants’ motion for a directed verdict.
Dawe v Dr Reuvan Bar-Levav & Assoc, PC,
279 Mich App 552; 761 NW2d 318 (2008). The Court of Appeals majority concluded that MCL 330.1946 placed specific limitations on a mental health professional’s duty to warn or protect third persons and, therefore, abrogated all common-law claims for failure to warn or protect. The dissent would have affirmed the trial court’s denial of defendants’ request for relief because the dissent believed that MCL 330.1946 did not affect defendants’ common-law duty to avoid placing others in danger of harm at the hands of a patient. We granted leave to appeal.
Dawe v Dr Reuvan Bar-Levav & Assoc, PC,
483 Mich 999 (2009).
II. STANDARD OF REVIEW
This case involves statutory interpretation, which presents a question of law that this Court reviews de novo.
Detroit v Ambassador Bridge Co,
481 Mich 29, 35; 748 NW2d 221 (2008).
III. ANALYSIS
The issue before this Court is whether plaintiff-patient may pursue a common-law medical malpractice claim against defendants for breach of the applicable
standard of medical care or whether MCL 330.1946 abrogates all common-law claims against a mental health professional for failure to warn third persons or protect them from harm, including the duty to warn or protect patients. Specifically, we must decide whether our Legislature intended to entirely abrogate a mental health professional’s common-law duty to warn or protect and limit that duty to only the types of threats described in MCL 330.1946(1) or, alternatively, whether it intended to limit the scope of the duty to warn or protect third persons but did not intend to completely abrogate the common-law “special relationship” duty of reasonable care to protect patients.
The Court of Appeals majority concluded that “MCL 330.1946 preempts the field on the issue of a mental-health professional’s duty to warn or protect others, including the psychiatrist’s other patients”; therefore, defendants “had no common-law duty to protect [plaintiff] . . . .”
Dawe,
279 Mich App at 568. We disagree. We hold that MCL 330.1946 did not completely abrogate a mental health professional’s common-law duty of reasonable care to protect his or her patients and that plaintiff may pursue a claim against defendants based on that theory of liability.
A. A PSYCHIATRIST’S COMMON-LAW DUTY
Before the enactment of MCL 330.1946, a psychiatrist’s duty to warn or protect was governed entirely by the common law. Under the common law, “as a general rule, there is no duty that obligates one person to aid or protect another.”
Williams v Cunningham Drug Stores, Inc,
429 Mich 495, 499; 418 NW2d 381 (1988). There is, however, an exception to this general rule when a “special relation
ship” exists between the plaintiff and the defendant.
Id.
As this Court has stated:
The rationale behind imposing a duty to protect in these special relationships is based on control. In each situation one person entrusts himself to the control and protection of another, with a consequent loss of control to protect himself. The duty to protect is imposed upon the person in control because he is best able to provide a place of safety.
[Id.
]
Notably, Michigan caselaw considers the psychiatrist-patient relationship a special relationship that places on psychiatrists a duty of reasonable care to protect their patients. See
Murdock v Higgins,
454 Mich 46, 55 n 11; 559 NW2d 639 (1997), citing
Williams,
429 Mich at 499;
Sierocki v Hieber,
168 Mich App 429, 434; 425 NW2d 477 (1988), citing
Duvall v Goldin,
139 Mich App 342, 351; 362 NW2d 275 (1984).
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CAVANAGH, J.
In this case we must decide whether a plaintiff-patient may pursue a common-law medical malpractice claim against his or her mental health professional when the mental health professional allegedly negligently placed the plaintiff in danger of harm at the hands of another patient or whether the Mental Health Code, in MCL 330.1946, abrogated such a common-law claim. We hold that MCL 330.1946 did not abrogate a plaintiff-patient’s common-law medical malpractice claim when the mental health professional’s separate duty arising out of his or her special relationship with the patient would apply and no “threat as described in [MCL 330.1946(1)]” was communicated to the mental health professional. MCL 330.1946(1). Therefore, we reverse the judgment of-the Court of Appeals.
I. FACTS AND PROCEDURE
On June 11, 1999, Joseph Brooks, a former psychiatric patient of defendants
Dr. Reuven Bar-Levav and
Dr. Leora Bar-Levav and a former participant in the group therapy sessions attended by plaintiff, Elizabeth Dawe, entered defendants’ office with a handgun. Brooks shot and killed Dr. Reuven Bar-Levav without warning. Brooks then entered the back office area and fired the gun into a room where plaintiff was participating in a group therapy session. Brooks killed one patient and wounded others, including plaintiff. After firing multiple rounds into the group therapy room, Brooks committed suicide.
Plaintiff sued defendants, alleging that they were liable for common-law medical malpractice and under MCL 330.1946 for failure to warn her of or protect her from a threat. Plaintiff claimed that Brooks had previously made threatening statements to defendants and that he had demonstrated his ability to carry out the threats when he came to defendants’ office with a gun on an earlier occasion.
Further, plaintiff claimed that Brooks gave defendants a “manuscript” that could be considered a threat of violence against other members of his group therapy sessions, including plaintiff. Finally, plaintiff alleged that defendants committed common-law medical malpractice by breaching their standard of care to plaintiff as a patient by negligently placing Brooks in her group therapy session when they knew or should have known that Brooks was not a suitable candidate for group therapy.
The trial court denied defendants’ motion for summary disposition, and the case was heard by a jury. The trial court also denied defendants’ motion at the close of
plaintiffs proofs for a partial directed verdict on plaintiffs failure-to-warn-or-protect claim under MCL 330.1946. The jury returned a verdict in favor of plaintiff, and defendants moved for judgment notwithstanding the verdict (JNOV) and for a new trial, both of which the trial court denied.
Defendants appealed, and, in a split decision, the Court of Appeals reversed the trial court’s denial of defendants’ motion for a directed verdict, vacated the judgment, and remanded the case for entry of an order granting defendants’ motion for a directed verdict.
Dawe v Dr Reuvan Bar-Levav & Assoc, PC,
279 Mich App 552; 761 NW2d 318 (2008). The Court of Appeals majority concluded that MCL 330.1946 placed specific limitations on a mental health professional’s duty to warn or protect third persons and, therefore, abrogated all common-law claims for failure to warn or protect. The dissent would have affirmed the trial court’s denial of defendants’ request for relief because the dissent believed that MCL 330.1946 did not affect defendants’ common-law duty to avoid placing others in danger of harm at the hands of a patient. We granted leave to appeal.
Dawe v Dr Reuvan Bar-Levav & Assoc, PC,
483 Mich 999 (2009).
II. STANDARD OF REVIEW
This case involves statutory interpretation, which presents a question of law that this Court reviews de novo.
Detroit v Ambassador Bridge Co,
481 Mich 29, 35; 748 NW2d 221 (2008).
III. ANALYSIS
The issue before this Court is whether plaintiff-patient may pursue a common-law medical malpractice claim against defendants for breach of the applicable
standard of medical care or whether MCL 330.1946 abrogates all common-law claims against a mental health professional for failure to warn third persons or protect them from harm, including the duty to warn or protect patients. Specifically, we must decide whether our Legislature intended to entirely abrogate a mental health professional’s common-law duty to warn or protect and limit that duty to only the types of threats described in MCL 330.1946(1) or, alternatively, whether it intended to limit the scope of the duty to warn or protect third persons but did not intend to completely abrogate the common-law “special relationship” duty of reasonable care to protect patients.
The Court of Appeals majority concluded that “MCL 330.1946 preempts the field on the issue of a mental-health professional’s duty to warn or protect others, including the psychiatrist’s other patients”; therefore, defendants “had no common-law duty to protect [plaintiff] . . . .”
Dawe,
279 Mich App at 568. We disagree. We hold that MCL 330.1946 did not completely abrogate a mental health professional’s common-law duty of reasonable care to protect his or her patients and that plaintiff may pursue a claim against defendants based on that theory of liability.
A. A PSYCHIATRIST’S COMMON-LAW DUTY
Before the enactment of MCL 330.1946, a psychiatrist’s duty to warn or protect was governed entirely by the common law. Under the common law, “as a general rule, there is no duty that obligates one person to aid or protect another.”
Williams v Cunningham Drug Stores, Inc,
429 Mich 495, 499; 418 NW2d 381 (1988). There is, however, an exception to this general rule when a “special relation
ship” exists between the plaintiff and the defendant.
Id.
As this Court has stated:
The rationale behind imposing a duty to protect in these special relationships is based on control. In each situation one person entrusts himself to the control and protection of another, with a consequent loss of control to protect himself. The duty to protect is imposed upon the person in control because he is best able to provide a place of safety.
[Id.
]
Notably, Michigan caselaw considers the psychiatrist-patient relationship a special relationship that places on psychiatrists a duty of reasonable care to protect their patients. See
Murdock v Higgins,
454 Mich 46, 55 n 11; 559 NW2d 639 (1997), citing
Williams,
429 Mich at 499;
Sierocki v Hieber,
168 Mich App 429, 434; 425 NW2d 477 (1988), citing
Duvall v Goldin,
139 Mich App 342, 351; 362 NW2d 275 (1984).
In the psychiatrist-patient context, the common-law duty not only requires a psychiatrist to protect his or her patients but also to warn third persons or protect them from harm by a patient under certain circumstances, regardless of the psychiatrist’s relationship with that third person. The status of the duty owed to third persons in Michigan law, however, was unclear before MCL 330.1946 was adopted. The duty was first recognized in Michigan in a Court of Appeals case that adopted the reasoning of the seminal California Supreme Court case,
Tarasoff v Regents of the Univ of California,
17 Cal 3d 425; 131 Cal Rptr 14; 551 P2d 334 (1976).
Davis v Lhim,
124 Mich App 291, 298-301; 335
NW2d 481 (1983), rev’d on other grounds sub nom
Canon v Thumudo,
430 Mich 326 (1988). In
Tarasoff,
the California Supreme Court held that psychiatrists have a duty to warn or protect a third person if the psychiatrists “in fact determined that [the patient] presented a serious danger of violence to [the third person], or pursuant to the standards of their profession should have so determined, but nevertheless failed to exercise reasonable care to protect [the third person] from that danger.”
Tarasoff,
17 Cal 3d at 450.
Although this Court later reversed
Davis,
we specifically declined to address at that time “whether a duty to warn should be imposed upon mental health professionals to protect third persons from dangers posed by patients.”
Canon,
430 Mich at
355.
We did not foreclose the possibility of a common-law duty of mental health professionals to warn third persons or protect them from harm by their patients in Michigan. Indeed, we recognized that other jurisdictions had found a duty of psychiatrists to warn or protect third persons, “the seminal case being
Tarasoff . .
..”
Id.
at 355 n 18. Therefore, before the enactment of MCL 330.1946, psychiatrists in Michigan owed a common-law duty of reasonable care to their patients that arose out of the special relationship and, potentially, a duty to warn third persons of or protect them from potential dangers posed by their patients.
B. A MENTAL HEALTH PROFESSIONAL’S STATUTORY DUTY UNDER MCL 330.1946
Since
Canon,
our Legislature has codified a mental health professional’s duty to warn or protect third
persons from harm by his or her patients. In 1989, the Legislature enacted MCL 330.1946(1), which states in its current form:
If a patient communicates to a mental health professional who is treating the patient a threat of physical violence against a reasonably identifiable third person and the recipient has the apparent intent and ability to carry out that threat in the foreseeable future, the mental health professional has a duty to take action as prescribed in [MCL 330.1946(2)]. Except as provided in this section, a mental health professional does not have a duty to warn a third person of a threat as described in this subsection or to protect the third person.
The issue here, therefore, is to what extent MCL 330.1946 abrogated a mental health professional’s common-law duty.
C. ABROGATION
The common law remains in force until modified.
Wold Architects & Engineers v Strat,
474 Mich 223, 233; 713 NW2d 750 (2006). The abrogative effect of a statutory scheme is a question of legislative intent, and “legislative amendment of the common law is not lightly presumed.”
Id.
Rather, the Legislature “should speak in no uncertain terms” when it exercises its authority to modify the common law.
Hoerstman Gen Contracting, Inc v Hahn,
474 Mich 66, 74; 711 NW2d 340 (2006). Additionally, “[t]he Legislature is presumed to know of the existence of the common law when it acts.”
Wold Architects,
474 Mich at 234. Keeping these rules concerning abrogation in mind, we must consider the language of MCL 330.1946 and determine whether the Legislature intended to completely abrogate a mental health professional’s common-law duty to warn or protect others when it enacted the statute. We hold that it did not.
Although the Legislature partially abrogated a mental health professional’s common-law duties, the language of the statute expressly limits its own scope. The final sentence of MCL 330.1946(1) states that “[e]xcept as provided in this section, a mental health professional does not have a duty to warn a third person of a threat
as described in this subsection
or to protect the third person.” (Emphasis added.) The type of threat described in subsection (1) is “a threat of physical violence against a reasonably identifiable third person. .. .” MCL 330.1946(1). Further, the patient making the threat must have “the apparent intent and ability to carry out that threat in the foreseeable future” before a mental health professional’s duty under MCL 330.1946(1) is triggered. Therefore, MCL 330.1946(1) only modified a mental health professional’s common-law duty to warn or protect a
third person
when a “threat as described in [MCL 330.1946(1)]” was communicated to the mental health professional because the statute only places a duty on mental health professionals to warn third persons of or protect them from the danger presented by a threat “as described” in MCL 330.1946(1). This statutory duty only arises if three criteria are met: (1) a patient makes a threat of physical violence, (2) the threat is against a reasonably identifiable third person, and (3) the patient has the apparent intent and ability to carry out the threat. If these three criteria are not met, the mental health professional’s duty under the statute is not triggered.
Thus, on its
face, the statute does not completely abrogate a mental health professional’s separate common-law special relationship duty to protect his or her patients by exercising reasonable care.
We note that a mental health professional’s patient could be a “third person” under MCL 330.1946(1). Therefore, MCL 330.1946 did abrogate that portion of a mental health professional’s common-law duty to his or her patients that requires the mental health professional to warn one patient of threats by or protect that patient from a second patient to the extent that the statute applies, that is, when the second patient (1) makes a threat of physical violence, (2) the threat is against a reasonably identifiable third person (i.e., the first patient), and (3) the second patient has the apparent intent and ability to carry out the threat. MCL
330.1946(1). Under these limited circumstances, a mental health professional would only have a duty to his or her patient (in responding to the threat) to take the actions described in MCL 330.1946(2). Even in that situation, however, MCL 330.1946 would not abrogate the mental health professional’s other common-law special relationship duties to his or her patients, i.e., duties unrelated to responding to such a threat.
This conclusion is reinforced by the fact that, unlike some other statutory schemes, the statutory language in MCL 330.1946(1) is not so comprehensive as to indicate that it is intended to completely abrogate the common law in this area. For example, in
Hoerstman Gen Contracting,
474 Mich at 72-76, we held that the Legislature intended to completely abrogate the common law of accord and satisfaction when it enacted article 3 of the Uniform Commercial Code. In that case we concluded that the statute completely abrogated the common law because the statute was “comprehensive” and it was “intended to apply to nearly every situation involving negotiable instruments.”
Id.
at 74. Further, we noted that the statutory language “completely covers the details of accord and satisfactions.”
Id.
Finally, we noted that the statute included exceptions to or conditions on the statute’s application and concluded that “[t]heir enumeration eliminates the possibility of [there] being other exceptions under the legal maxim
expressio unius est exclusio
alterius,”
Id.
Because there was no exception or condition listed under which the common law of accord and satisfaction would apply, we
concluded that the Legislature “clearly intended that the statute would abrogate the common law on this subject.”
Id.
at 75.
In contrast, MCL 330.1946(1) is not comprehensive and does not cover all the details of a mental health professional’s duty to provide reasonable care. In fact, the statutory language is expressly limited to warning or protecting third persons under very limited circumstances, i.e., when (1) a patient makes a threat of physical violence, (2) the threat is against a reasonably identifiable third person, and (3) the patient has the apparent intent and ability to carry out thé threat. The statutory language never addresses a mental health professional’s other common-law duties to his or her patients. Therefore, on its face, the statute only defines a mental health professional’s duty to warn or protect a third person from a “threat as described in [MCL 330.1946(1)].” Nothing in the statute indicates that the Legislature intended to completely abrogate a mental health professional’s common-law special relationship duty to his or her patients. While it is true that a person may simultaneously be a “patient” and a “third party,” that does not mean that only the statutory duty
or
the common-law duty could apply. Rather, both duties could apply if all the requirements to trigger the duties are met, or, as in this case, only one duty could apply. The statutory duty to warn or protect a third person was not triggered in this case because the threat was not a “threat as described in [MCL 330.1946(1)].” However, this does not mean that the common-law special relationship duty also did not apply. Therefore, MCL 330.1946 is not “intended to apply to nearly every situation” in which a mental health professional’s duty to provide reasonable care may arise because it does not address a mental health professional’s common-law special relationship duty to protect his or her patients-
in the absence of a “threat as described in [MCL 330.1946(1)].”
See
Hoerstman Gen Contracting,
474 Mich at 74.
We do not pass judgment on the merits of plaintiffs medical-malpractice claim on the facts of this case. Our holding is limited only to whether MCL 330.1946 abrogated all common-law duties owed by mental health professionals to their patients, which we hold it did not. Thus, there may be claims alleging a breach of a mental health professional’s special relationship duty of reasonable care that are cognizable under Michigan law.
IV CONCLUSION
We hold that the Legislature did not intend to completely abrogate a mental health professional’s common-law duty to his or her patients when it enacted MCL 330.1946. Thus, we reverse the judgment of the Court of Appeals. Further, we now consider defendants’ pending application for leave to cross-appeal and, pursuant to MCR 7.302(H)(1), in lieu of granting leave to cross-appeal, we remand this case to the Court of Appeals for consideration of the issues raised by defen
dants that were not addressed in its opinion because it found the issue under MCL 330.1946 determinative.
Kelly, C.J., and Weaver, Corrigan, Young, Markman, and Hathaway, JJ., concurred with Cavanagh, J.