Carolyn Rush sued various federal and Georgia officials to secure Medicaid funding for transsexual surgery. The district court, on Rush’s motion for summary judgment, ordered state defendants to pay for the surgery, holding that a state Medicaid program cannot, consistent with 42 U.S.C. § 1396 (1976), categorically ■ deny funding for necessary medical services. The district court also ordered federal defendants to disapprove that portion of Georgia’s Medicaid plan that “irrebuttably den[ies] Medicaid coverage for transsexual surgery.” Rush v. Parham, 440 F.Supp. 383 (N.D.Ga.1977).

We disagree with the district court’s disposition of the case, and hold that state defendants should have been permitted to show at trial that (1) the Georgia Department of Medical Assistance^[1] has a ban against making payment for experimental treatment because such treatment is not medically necessary, and that transsexual surgery is experimental; or (2) the Department of Medical Assistance provides for transsexual surgery in an appropriate case, but properly determined that it was medically inappropriate in plaintiff’s case. As to the federal defendants, we find that the district court should have dismissed for lack of jurisdiction. Accordingly, we reverse and remand.

I

Background

The history to this case begins in 1974, when Rush, an anatomical male who had been diagnosed as a transsexual, sought approval from the Department of Medical Assistance for Medicaid funding of transsexual surgery, which had been the medical[*1153] recommendation of her^[2] physician. Since Rush was a recipient of Supplemental Security Assistance, she qualified for benefits under Georgia’s Medicaid program. Payment was at first approved, but before the operation could be scheduled, the approval was rescinded. According to state defendants, the reason for the retraction was that transsexual surgery was experimental, and, in any event, inappropriate treatment for Rush.

. Rush requested reconsideration of the denial, and in support of the necessity of surgery, submitted affidavits from two medical specialists in the treatment of transsexuals. The thrust of each was that plaintiff was a “true transsexual,” i. e., an anatomical male with a female gender identity, and that the only effective means of treatment was surgical change of Rush’s anatomical sex.

The Department of Medical Assistance, however, again rejected Rush’s claim for essentially the same reasons as before. The only significant difference between the two decisions was that since the original rejection, the Department had amended the Medicaid plan explicitly to exclude “experimental surgery, e. g., transsexual surgery,” see Record at 458, from coverage, and this was noted as a specific ground for the denial.

Rush brought suit in district court, naming as defendants state officials responsible for administering Georgia’s Medicaid plan, and federal officials responsible for administering Medicaid nationally and in the region including Georgia. The gist of the complaint was that Georgia’s refusal to pay for plaintiff’s transsexual surgery violates a federal statutory requirement that a state Medicaid program pay for all medically necessary services,^[3] and violates the equal protection clause of the fourteenth amendment by discriminating between transsexuals and other Medicaid participants requiring surgery. Rush’s requested relief was that the court (1) declare Georgia’s ban against paying for transsexual surgery illegal and enjoin state defendants from enforcing the ban; (2) order state defendants to pay for plaintiff’s surgery; and (3) issue a writ of mandamus requiring federal defendants to withdraw approval of Georgia’s current Medicaid plan.^[4]

After limited discovery, Rush moved for summary judgment, arguing that there were only two issues before the court, neither of which involved a disputed issue of material fact. The first issue was whether a state Medicaid program could categorically deny funding of a medically necessary service. According to Rush, the factual question whether transsexual surgery was medically necessary had been foreclosed by her submission of affidavits by two physicians stating that transsexual surgery was medically necessary (although defendants had submitted counter affidavits stating that transsexual surgery was ineffective and dangerous). The second issue was whether the Department of Medical Assistance abused its discretion in finding that the surgery was not indicated for Rush.

Defendants opposed the motion for summary judgment, arguing that a state Medicaid plan can exclude medically necessary[*1154] treatment as long as the exclusion is reasonable. But even if the court were to agree with Rush that any medically necessary service must be paid for, the factual issue of the medical necessity of transsexual surgery could not be disposed of on Rush’s motion.

The district court granted the motion, holding (1) that Georgia’s Medicaid program must pay for all medically necessary services of Medicaid recipients; and (2) that the determination of plaintiff’s physician that transsexual surgery was medically necessary “could suffer no interference from the state.” The only modification to Rush’s proposed relief was that the federal defendants were ordered to disapprove only those portions of the plan that denied funding for transsexual surgery. This appeal is taken from the summary judgment entered pursuant to the district court’s order.

II

Federal Defendants

Rush’s complaint against the federal defendants seeks relief under 28 U.S.C. § 1361 (1976), which vests district courts with mandamus jurisdiction over officers and employees of the United States. Since Rush alleges no plausible basis for jurisdiction (and indeed, requests no relief) of federal defendants other than mandamus, “[t]he determinative issue ... is whether under general principles of law mandamus provides an appropriate means for obtaining the relief prayed for in this case.” Carter v. Seamans, 411 F.2d 767, 773 (5th Cir. 1969), cert. denied, 397 U.S. 941, 90 S.Ct. 953, 25 L.Ed.2d 121 (1970). If it does not, we must dismiss the action against the federal defendants for lack of jurisdiction.

Mandamus relief under section 1361 is available only when (1) “defendant official or agency owes a specific duty to the plaintiff,” Kirkland Masonry, Inc. v. Commissioner, 614 F.2d 532, 534 (5th Cir. 1980); and (2) plaintiff has no other adequate remedy available to him. Carter v. Seamans, supra. Putting aside the question whether any federal defendant owes a specific duty to this plaintiff,^[5] we think it clear that mandamus is unavailable here because Rush’s remedy against Georgia state defendants is adequate to provide her every significant aspect of the relief requested. Ramirez v. Weinberger, 363 F.Supp. 105 (N.D.I11.1973), aff’d 415 U.S. 970, 94 S.Ct. 1553, 39 L.Ed.2d 867 (1974) (mandamus to compel Secretary of HEW to withhold funding from allegedly unconstitutional state AFDC program unavailable since action against state defendants to correct program is adequate remedy). Thus, this action cannot be premised on section 1361, and, finding no other jurisdictional basis for the relief requested, we dismiss the action against the federal defendants.

Ill

State Defendants

The district court held that under the federal Medicaid statute, a state program is required to pay for any services a physician determines to be medically necessary for the patient.^[6] Since Rush’s physician prescribed transsexual surgery, it apparently followed that Georgia’s Medicaid program was obligated to pay for the surgery, and the district court so ordered. We disagree with the district court, and hold instead that a state may adopt a definition of medical necessity that places reasonable limits on a physician’s discretion. One such limitation is the one Georgia contends it used in denying the surgery: a ban against reim[*1155]bursement for experimental forms of treatment,^[7] /. e., treatment not generally recognized as effective by the medical profession.^[8]

We also hold that a state Medicaid agency can review the medical necessity of treatment prescribed by a doctor on a case-by-case basis. Our conclusions are more fully discussed below.

A.

The district court’s holding that a state must pay for all treatment found by a doctor to be medically necessary comprises two separate conclusions: first, that a state Medicaid program must provide all medically necessary services; and second, that the private physician is the sole arbiter of medical necessity. We find it unnecessary to determine the correctness of the first conclusion, for the grounds on which the state seeks to justify its refusal to pay for the surgery, i. e., that it was experimental and not indicated for this plaintiff, are fully consonant with a requirement that all medically necessary services be funded.^[9] We proceed then, to consideration of the second component of the district court’s holding.

The district court has, in effect, held that a state has no role in determining whether a particular service is medically necessary. In our view, however, the Medicaid statutes and regulations permit a state to define medical necessity in a way tailored to the requirements of its own Medicaid program. Our analysis begins with the statute, which provides that:

A State plan for medical assistance must include reasonable standards V . for determining eligibility for and the extent of medical assistance under the plan which . . . are consistent with the objectives of this [Title].

42 U.S.C. § 1396a(a)(17) (1976). The Supreme Court has interpreted this language as conferring “broad discretion on the States to adopt standards for determining the extent of medical assistance, requiring only that such standards be ‘reasonable’ and ‘consistent with the objectives’ of the Act.” Beal v. Doe, 432 U.S. 438, 444, 97 S.Ct. 2366, 2371, 53 L.Ed.2d 464 (1977). Under the district court’s decision, however, the states would only have discretion to exclude from coverage the so-called optional services listed in sections 1396d(a)(6)-(17). The general language of section 1396a(a) suggests that Congress intended the states’ discretion to be considerably less circumscribed.

The key to defining the states’ role in determining the extent of coverage can be found in the Supreme Court’s use of the[*1156] word “standard” in the passage we quoted from Beal v. Doe. We think the Court was saying that a state may establish standards for individual physicians to use in determining what services are appropriate in a particular case. This state responsibility to establish standards extends at least to the shaping of a reasonable definition of medical necessity. The Department of Health and Welfare regulations so provide: “The [state] agency may place appropriate limits on services based on such criteria as medical necessity. . . . ” 42 C.F.R. § 440.-230(c)(2).

This does not remove from the private physician the primary responsibility of determining what treatment should be made available to his patients. We hold only that the physician is required to operate within such reasonable limitations as the state may impose. This same relationship between the private physician and government exists in the federal Medicare program,^[10] which, like Medicaid, is centered around the judgment of the private physician. See 42 U.S.C. § 1396a(a)(23) (1976) (Medicaid recipients permitted freedom of choice in selecting a physician) and 42 U.S.C. § 1395a (1976) (similar Medicare provision).

The next question is whether Georgia’s definition of medically necessary services can reasonably exclude experimental treatment. We think that it can, and find support for our conclusion by analogy to the way the federal Medicare laws have been interpreted.

The statute creating Medicare, unlike that creating the Medicaid program, sets out specific statutory limitations on what types of care are to be provided. One such limitation excludes payment for medical services “which are not reasonable and necessary for the diagnosis or treatment of illness or injury or to improve the functioning of a malformed body member,” 42 U.S.C. § 1395y(a)(l) (1976), which is simply the negative formulation of the district court’s conclusion that all medically necessary services are to be provided. The Medicare administration reads this limitation as foreclosing reimbursement for experimental treatment.^[11] See Medicare Intermediary Letters Nos. 77-4 & 77-5, [1976 Transfer Binder] Medicare & Medicaid Guide (CCH) 128,152 (1976). Moreover, the limitation has been used to prohibit payment for particular types of services. See, e. g., Medicare Hospital Manual, Medicare & Medicaid Guide (CCH) 127,201 (“procedure [biofeedback] is experimental and, therefore, cannot be considered to be reasonable and necessary for diagnosis and treatment”).

Thus, the administrators of Medicare agree with defendants’ contention that experimental forms of treatment are medically unnecessary. On this appeal, our inquiry is limited to whether such an interpretation of medical necessity would be a valid exercise of Georgia’s discretion to set standards under the Medicaid statute. Because we see little merit to the contention that medically necessary services must be defined to include experimental treatment, with all its attendant risks to the recipient population, we find that it would be. Thus, we must remand to the district court to determine (1) whether Georgia, in fact, had a policy prohibiting payment for experimental services when it first rejected plaintiff’s applica[*1157]tion;^[12] and, if it did, (2) whether its determination that transsexual surgery is experimental is reasonable.^[13]

B.

If on remand, the district court finds that the state defendants’ decision to deny payment for Rush’s surgery was not based on a prohibition against reimbursement for experimental treatment, or if it finds that transsexual surgery was not experimental, it must consider defendants’ second contention: that they reached a proper administrative determination that transsexual surgery was inappropriate treatment for Rush. We have reviewed the record, and are unable to say whether defendants engaged in such a determination, and if they did, what standard of review they used to consider Rush’s physician’s contrary opinion. These are material questions of fact that should not have been resolved by the district court on a motion for summary judgment. Reiser v. Coliseum Properties, Inc., 614 F.2d 406 (5th Cir. 1980).

We note that the proper standard for defendants to use in reviewing the doctor’s determination depends on whether Georgia had a policy of limiting payment for experimental surgery to exceptional cases (and if it did, whether transsexual surgery was experimental).^[14] If Georgia had such a policy and defendants were simply deciding whether Rush’s case presented exceptional circumstances, defendant’s determination should be sustained unless Rush was able to show compelling reasons why án exception should be made for her. To show such reasons, we think Rush was required to present convincing evidence that no other form of treatment would improve her condition, and that transsexual surgery was unlikely to worsen it.

If the district court finds that Georgia did not have a policy limiting payment for experimental surgery to exceptional eases (or that transsexual surgery was not experimental), the only permissible review of the physician’s opinion would have been such “as may be necessary to safeguard against unnecessary utilization of . care and services . . ..” 42 U.S.C. § 1396a(a)(30) (1976). On a review so limited, the overriding consideration is that under Medicaid, “[t]he physician is to be the key figure in determining utilization of health services.” S.Rep. No. 404, 89th Cong., 1st Sess., 46, reprinted in [1965] U.S.Code Cong. & Admin.News, pp. 1943, 1986. See also, Beal v. Doe, supra. Under these circumstances, we think defendants would have been limited to determining whether the physician’s diagnosis,, or his opinion that the prescribed treatment was appropriate to the diagnosis, was without any basis in fact.

C.

In reaching our decision, we were aware of several cases in which courts ordered state Medicaid programs to pay for transsexual surgery. See, e. g., Pinneke v. Preis-ser, 623 F.2d 546, (8th Cir. 1980); Doe v. Minnesota Department of Public Welfare, [*1158] 257 N.W.2d 816 (Minn.1977). But see, e. g., Denise R. v. Lavine, 39 N.Y.2d 279, 347 N.E.2d 893, 383 N.Y.S.2d 568 (1976). We do not read these cases as deciding the issue whether a state may define medical necessity to exclude experimental surgery. Nor do we think these cases would foreclose state review of whether a doctor’s diagnosis and recommendation of treatment for a particular patient are in error. To the extent these cases do hold that a state must pay for any treatment a doctor finds to be medically necessary, thus eliminating the issues that we have found unripe for summary disposition, we disagree for the reasons given in the body of this opinion.

REVERSED and REMANDED.