Pietsch v. FMC Technologies: ADA “Direct Limitation” Rule Rejecting Attenuated, Policy-Dependent Theories of Disability

Introduction

Dakota Pietsch, an FMC Technologies, Incorporated employee with mitral-valve prolapse, sought a medical exemption from FMC’s mandatory COVID-19 vaccination policy adopted in response to client-imposed vaccine requirements for certain roles. FMC approved his exemption request and stated it would engage in an interactive process, but advised he could not remain in his then-current subsea-technical-services position. FMC placed him on paid administrative leave and offered other jobs; Pietsch resigned and later sued under the Americans with Disabilities Act (ADA), alleging FMC failed to provide a reasonable accommodation that would allow him to continue performing his job’s essential functions.

The key issue on appeal was narrow but consequential: whether an impairment that allegedly prevents vaccination—and only thereby prevents continued employment in a vaccine-mandated job—constitutes an “actual disability” because it “substantially limits” the major life activity of working.

Summary of the Opinion

The Fifth Circuit affirmed summary judgment for FMC. The panel held that Pietsch failed to establish “actual disability” under 42 U.S.C. § 12102(1)(A) because his theory depended on an indirect, multi-step causal chain: the heart condition prevented vaccination; lack of vaccination barred him from the position; therefore the condition substantially limited working.

Relying on (and finding highly persuasive) Hughes v. Terminix Pest Control, Inc., the court concluded that such downstream, policy-dependent limitations are “too attenuated” to qualify as substantial limitations on a major life activity. The court also rejected the argument that FMC’s approval of a vaccine exemption amounted to an admission of ADA disability.

In a concurrence, Judge Willett emphasized statutory interpretation: even after the ADA Amendments Act (ADAAA) broadened coverage, the statute still requires that the impairment itself must do the limiting, not the impairment filtered through employer policy consequences.

Analysis

Precedents Cited

  • Hughes v. Terminix Pest Control, Inc., No. 23- 30617, 2024 WL 3440465 (5th Cir. 17 July 2024)

    The district court relied exclusively on Hughes, and the Fifth Circuit agreed it was “directly on point.” In Hughes, plaintiffs alleged their conditions prevented safe vaccination, which in turn prevented them from working in jobs requiring vaccination. Hughes held such “indirect limitations” were “too attenuated” because Fifth Circuit cases finding disability involved impairments that directly limited the major life activity at issue. Although unpublished and nonprecedential, the panel treated Hughes as strongly persuasive and applied its logic to Pietsch’s indistinguishable causal theory.

  • Mueck v. La Grange Acquisitions, L.P., 75 F.4th 469 (5th Cir. 2023)

    Cited in Hughes and discussed again here, Mueck illustrates the “direct limitation” model: the impairment (alcoholism) substantially impacted major life activities such as thinking, concentrating, and self-care. The panel used Mueck to contrast direct functional limitation with Pietsch’s policy-mediated theory (impairment → cannot vaccinate → cannot hold particular job).

  • United States v. Johnson, 619 F.3d 469 (5th Cir. 2010)

    Used for two methodological points: (1) unpublished Fifth Circuit opinions may be persuasive even if not precedential; and (2) decisions from other circuits may be considered persuasive authority. This provided the opinion’s justification for leaning on Hughes and out-of-circuit cases to reinforce the causal-link requirement.

  • Verhoff v. Time Warner Cable, Inc., 299 F. App'x 488 (6th Cir. 2008) and Bartlett v. N.Y. State Bd. of L. Examiners, 226 F.3d 69 (2d Cir. 2000)

    These out-of-circuit authorities supported a consistent principle: disability analysis requires that it be the impairment itself—not “some other factor or factors”—that causes the substantial limitation. The Fifth Circuit invoked them to show that Pietsch’s “downstream effects” theory is not merely foreclosed by Hughes but also misaligned with broader ADA doctrine.

  • Moss v. Harris Cnty. Constable Precinct One, 851 F.3d 413 (5th Cir. 2017)

    Cited for the standard of review: summary judgment is reviewed de novo. This matters because the panel independently assessed whether Pietsch created a triable issue on the statutory element of “disability.”

  • Cannon v. Jacobs Field Servs. N. Am., Inc., 813 F.3d 586 (5th Cir. 2016)

    Discussed in the concurrence to contextualize the ADAAA and regulations cautioning courts not to make “substantially limits” an unduly extensive inquiry—while still preserving the statute’s requirement that the impairment itself be limiting.

Legal Reasoning

  1. Framework selection and narrowing of the dispute

    The court identified the ADA’s three pathways to “disability” under 42 U.S.C. § 12102(1)(A)-(C) and noted Pietsch relied only on actual disability. The only contested element was whether his impairment “substantially limits” a major life activity, with the parties not disputing that he had an impairment or that working is a major life activity (as reflected in 29 C.F.R. § 1630.2(h)(1) and § 1630.2(i)(1)(i)).

  2. Rejection of “impairment → inability to comply with policy → inability to work” as too attenuated

    Pietsch did not claim his heart condition itself prevented him from working (he was working). He claimed it prevented vaccination, and vaccination was a condition of employment for his role. The panel treated this as an attempt to prove substantial limitation on working through an indirect chain.

    Invoking Hughes v. Terminix Pest Control, Inc., the court required a tighter causal link: when the Fifth Circuit has found disability, “the disability itself directly limited the life activity at issue.” Pietsch’s theory depended on intervening steps—chiefly an employer policy and client requirements—so it failed the “direct limitation” requirement.

  3. Accommodation as “admission” rejected

    Pietsch argued FMC’s approval of his exemption request and attempt to place him in other roles evidenced an admission of disability. The court rejected this factually (he admitted FMC never admitted disability) and legally (failure to establish the statutory element of disability is dispositive regardless of employer actions). The opinion implicitly treats accommodation-related steps as distinct from the threshold statutory question whether the plaintiff is disabled within the meaning of the ADA.

  4. Concurrence: textual boundary after the ADAAA

    Judge Willett’s concurrence situates the holding within the ADAAA’s broadened coverage and regulations advising courts not to make the inquiry overly demanding. But, he stresses, “lowering the bar is not the same as eliminating it.” The statute’s retained boundary is that “the impairment itself must do the limiting.” The concurrence contrasts the explicit statutory support for episodic impairments (42 U.S.C. § 12102(4)(D))—as in the alcoholism discussion tied to Mueck v. La Grange Acquisitions L.P.—with the absence of any comparable statutory basis for recognizing a downstream, policy-triggered limitation as a substantial limitation.

Impact

Although the per curiam opinion is unpublished, its reasoning—reinforced by Hughes v. Terminix Pest Control, Inc. and the concurrence’s textual framing— signals a clear approach for ADA “actual disability” claims in the Fifth Circuit when disability is alleged through employer policy consequences.

  • Vaccine-contraindication claims: Plaintiffs who can work but cannot comply with a vaccine condition because of a medical condition will face a threshold barrier if their theory is that the impairment “substantially limits” working only because the employer (or client) mandates vaccination.
  • Broader “policy-dependent limitation” theories: The logic may extend beyond vaccines to other conditions of employment (medical clearances, licensing requirements, PPE mandates, travel requirements) where the impairment’s effect on working arises only through intervening rules rather than direct functional limitation.
  • Accommodation process evidence: The decision discourages treating an employer’s engagement in an interactive process or provision of workplace adjustments as a concession that the employee meets the ADA’s definition of disability.
  • Pleading and proof strategy: Claimants may need to focus on major life activities their impairment directly limits (not solely “working” through a chain of policy effects), or consider other ADA theories (e.g., “regarded as”) where supported—though Pietsch did not pursue them here.

Complex Concepts Simplified

  • “Actual disability” (42 U.S.C. § 12102(1)(A)): You must show an impairment that substantially limits a major life activity.
  • “Major life activity”: Includes “work.” The dispute here was not whether work qualifies, but whether Pietsch’s condition substantially limited it.
  • “Substantially limits” after the ADAAA: Congress broadened coverage, and regulations caution against overly intensive analysis—but courts still require a real, impairment-based limitation. The concurrence frames this as “broadly” construed, “not boundlessly.”
  • “Attenuated” causal chain: A theory is attenuated when the impairment does not itself limit the activity; instead, the limitation appears only after intervening steps (here: inability to vaccinate + employer/client mandate = job loss).
  • Interactive process / accommodation ≠ admission: An employer may review exemption requests or discuss alternative roles without conceding the employee satisfies the ADA’s statutory definition of disability.

Conclusion

Pietsch v. FMC Technologies affirms a “direct limitation” requirement for ADA actual-disability claims: an impairment must itself substantially limit a major life activity, and plaintiffs cannot satisfy the threshold disability element through a multi-step chain in which the functional limitation arises only because of an employer’s policy (here, a vaccine condition of employment). The concurrence anchors this result in statutory text and the post-ADAAA balance between broad coverage and principled limits. In practical terms, the decision narrows a common pandemic-era theory of disability and provides a template for analyzing other policy-dependent ADA theories in future cases.