Two very different things get called “employee screening,” and confusing them creates real exposure. One is medical surveillance that specific OSHA standards require when your people work around certain hazards. The other is voluntary preventative screening offered as a health benefit, which is governed by an entirely separate body of law including the Americans with Disabilities Act. They serve different purposes, follow different rules, and one cannot substitute for the other. This post explains what each involves, where the current regulatory gaps are, and how preventative screening fits alongside a compliance program without being mistaken for one.

DISCLAIMER: This is general information, not legal advice. NDS Wellness is a healthcare provider, not a law firm. Whether any specific obligation applies to your workforce depends on your industry, exposures, and jurisdiction, and should be confirmed with your safety team and employment counsel.

Key Insights

• Required surveillance is hazard-driven, not general: OSHA standards trigger medical evaluation based on specific exposures such as respirator use, noise, silica, lead, and asbestos, each with its own protocol.
• Voluntary screening answers to different law: Preventative screening offered as a benefit falls under the ADA’s rules on medical examinations, plus GINA and, where tied to a health plan, HIPAA and ACA wellness rules.
• There is a live regulatory gap on incentives: A federal court vacated the EEOC’s incentive rules effective January 2019, and the replacement proposed in 2021 was never finalized, leaving employers without clear ADA guidance on wellness incentives.
• Recordkeeping is where citations often come from: Under 29 CFR 1910.1020, employee medical and exposure records generally must be kept for the duration of employment plus 30 years, and employees have a right to access them.
• Preventative screening complements compliance, it does not satisfy it: A comprehensive physical does not discharge a respirator clearance or audiogram obligation, and treating it as though it does is a genuine risk.

Two Things That Both Get Called Screening

Before anything else, separate these two categories in your own program documentation. Most of the trouble employers run into starts with blurring them.

Required Medical Surveillance

This is triggered by exposure. If your employees use respirators, work in high noise, or encounter silica, lead, or asbestos above certain thresholds, the relevant OSHA standard specifies who must be evaluated, what the evaluation includes, how often it happens, and what records you keep. The employer pays, and the protocol is set by the regulation rather than by preference.

Voluntary Preventative Screening

This is a health benefit. It looks for cardiovascular disease, diabetes, cancer, and other conditions that have nothing to do with a specific workplace exposure. Because it involves medical examinations of employees, it sits under the ADA rather than under OSHA, and the central legal question is whether participation is genuinely voluntary.

What Health and Safety Compliance Actually Requires

OSHA does not impose a general medical exam requirement on employers. Requirements attach to particular hazards, which is why two facilities in the same industry can have very different obligations.

The Hazard-Specific Standards

Several OSHA standards include medical evaluation or surveillance requirements. Common examples include:

• Respiratory protection (29 CFR 1910.134): a medical evaluation is required before an employee uses a respirator, and again when conditions change.
• Occupational noise (29 CFR 1910.95): a hearing conservation program with baseline and annual audiometric testing for employees exposed above the action level.
• Respirable crystalline silica (29 CFR 1910.1053 and 1926.1153): medical surveillance made available at no cost for employees required to wear a respirator 30 or more days per year, with an initial baseline examination within 30 days of assignment.
• Lead (29 CFR 1910.1025): baseline and periodic medical surveillance including blood testing, based on exposure.
• Asbestos (29 CFR 1910.1001): ongoing medical surveillance for employees exposed above action levels.
• HAZWOPER (29 CFR 1910.120) and laboratory chemicals (29 CFR 1910.1450): medical monitoring and consultation under defined conditions.

OSHA publishes a Medical Screening and Surveillance Requirements Guide that maps these across standards. It is a useful starting point, though OSHA itself notes the guide is not a standard and creates no new legal obligations.

The Recordkeeping Requirement People Underestimate

Under 29 CFR 1910.1020, employers must retain employee medical and exposure records, in most cases for the duration of employment plus 30 years, and employees have specific rights to access them. Citations can follow from incomplete or improperly retained records even when the medical evaluations themselves were performed correctly. If you outsource screening, know exactly where those records live and how you will retrieve them years from now.

Available Does Not Always Mean Mandatory

Several standards require the employer to make medical surveillance available at no cost to the employee, which is not identical to requiring the employee to undergo it. The silica standard is a well-known example, and OSHA has addressed the distinction in interpretation letters. Read the language of the standard that applies to you rather than assuming, because your obligation may be to offer rather than to compel.

The Rules That Govern Voluntary Screening

Once you move past exposure-driven surveillance into general health screening, the legal framework changes entirely.

The ADA and the Voluntary Standard

The ADA restricts employers from requiring medical examinations or making disability-related inquiries of employees, with limited exceptions. One of those exceptions covers voluntary employee health programs, which is the provision most workplace screening programs rely on. The operative word is voluntary, and it carries real weight: a program that pressures employees into participating risks losing the protection of the exception.

The Incentive Rules Are Currently a Gap

This is the part many employers have not caught up on. In 2016 the EEOC issued rules stating that incentives up to 30 percent of the cost of employee-only coverage were compatible with the ADA’s voluntary requirement. In AARP v. EEOC, a federal court found the agency had not adequately justified that threshold and vacated the incentive provision, effective January 1, 2019. The EEOC proposed replacement rules in 2021, including a de minimis standard for participatory programs, but never finalized them.

The result is a genuine regulatory gap. HIPAA and ACA rules still permit incentives up to 30 percent, or 50 percent for tobacco-related programs, for health-contingent wellness programs, but there is no current EEOC incentive rule under the ADA. If you are attaching financial incentives to screening participation, this is a conversation to have with counsel rather than a question to settle from a blog post.

GINA and Family Medical History

Title II of GINA restricts employers from acquiring genetic information, which includes family medical history. Health risk assessments that ask about relatives’ conditions can implicate GINA even when the intent is entirely benign. There are narrow exceptions for voluntary health services, with their own conditions.

Confidentiality Is Structural, Not Optional

Under the ADA, employee medical information must be kept confidential and maintained separately from general personnel files. In practice this means an employer should receive aggregate or de-identified information from a screening program, not individual clinical results. Getting this wrong damages both legal standing and the trust that determines whether anyone participates next year.

Where Preventative Screening Fits

With the two categories separated, the relationship between them becomes clear and workable.

It Complements Compliance Rather Than Satisfying It

A comprehensive preventative physical does not discharge a respirator clearance, an audiogram, or a silica surveillance obligation. Those have prescribed protocols and documentation. Preventative screening addresses the health risks your workforce carries regardless of exposure, which are the conditions most likely to cause a serious event or a long absence.

Keep the Two Programs Distinct on Paper

Document them separately. Required surveillance is a compliance function with its own records, retention schedule, and protocols. Voluntary screening is a benefit with its own consent process and confidentiality structure. Employees should understand clearly which is which, particularly which parts are required and which are genuinely optional.

What Good Coordination Looks Like

The strongest programs coordinate scheduling without merging the legal categories. Delivering both on the same day, on-site, is efficient and improves participation. What matters is that consent, records, and communication reflect the distinct legal footing of each. Compliance sets the floor for what you must do. Preventative screening is what you choose to do beyond it, and it is where most of the health benefit to your team actually comes from.

How NDS Wellness Works With Employers

NDS Wellness delivers on-site corporate wellness screening as a voluntary health benefit. Employees get a real physician appointment at the workplace, including a full physical, a 12-lead EKG, comprehensive blood work, a skin review, and a confidential mental health review. Individual results stay confidential between the employee and the clinician, which is both the legal expectation and the reason participation holds up year after year.

Because we arrive in a mobile wellness clinic, screening happens across first, second, and third shifts without anyone leaving the site. Results are explained by a physician, and follow-up care is coordinated. [Confirm whether NDS provides any OSHA-required medical surveillance services, such as respirator medical clearance, audiometric testing, or spirometry. If so, describe them here as a distinct service. 

Sources

• Occupational Safety and Health Administration (OSHA), “Medical Screening and Surveillance Requirements Guide”: osha.gov/medical-surveillance/guide
• OSHA, Standard Interpretation on medical surveillance requirements in the respirable crystalline silica standard for construction: osha.gov/laws-regs/standardinterpretations/2018-02-02
• OSHA, Respirable Crystalline Silica Medical Surveillance Guidelines, 29 CFR 1910.1053 App B: osha.gov/laws-regs/regulations/standardnumber/1910/1910.1053AppB
• U.S. Equal Employment Opportunity Commission (EEOC), final rule on employer wellness programs under the ADA and GINA: eeoc.gov
• EEOC, Questions and Answers on the Notice of Proposed Rulemaking on Employer Wellness Programs: eeoc.gov
• ADA National Network, “Revisiting Disability-Related Inquiries and Medical Examinations Under Title I of the ADA”: adata.org
• National Institute for Occupational Safety and Health (NIOSH), Total Worker Health: cdc.gov/niosh/twh/about/index.html