Congress tightens radiation safety rules for hospital nuclear medicine procedures

What it does

This bill requires the Nuclear Regulatory Commission to update its safety rules within 120 days to clarify when hospitals must report unintended radiation exposure to patients during nuclear medicine procedures. Specifically, it adds a reporting requirement for extravasation events (when radioactive material leaks outside the vein) that exceed certain dose thresholds—0.5 Sv to a 5 cubic centimeter tissue volume or 0.5 Sv to 10 square centimeters of skin. The new rule takes effect 18 months after enactment. Patients and hospitals benefit from clearer safety standards and better tracking of radiation incidents.

Why we flagged it

The bill's sole operative mechanism is a regulatory clarification mandating NRC to add specific dose thresholds to medical event reporting rules. It is a straightforward public-health measure with no private carve-outs or deregulatory intent.

What the text implies

• The 18-month implementation delay may leave a gap during which hospitals operate under ambiguous reporting standards, potentially delaying incident detection.
• The bill does not specify enforcement mechanisms or penalties for non-compliance, relying on existing NRC authority to police violations.
• Extravasation events at the specified dose thresholds (0.5 Sv) are serious but the bill does not mandate patient notification or remediation protocols—only reporting to regulators.

Section numbers refer to the bill text the analysis read — linked under Primary records below.

Who it affects

The bill strengthens patient safety by requiring hospitals to report previously untracked radiation incidents, giving regulators and patients better visibility into harm. Clearer reporting thresholds reduce ambiguity and ensure incidents are not overlooked.

Named in the bill

Nuclear Regulatory Commission (NRC), Title 10 Code of Federal Regulations Section 35.3045, Nuclear medicine facilities, Hospitals

Where it stands

8 cosponsors: 5 Republicans, 3 Democrats.

• Apr 1, 2025 — Introduced · Congress.gov: “Introduced in House”
• Apr 1, 2025 — Referred to House Committee on Energy and Commerce · Congress.gov: “Referred to the House Committee on Energy and Commerce”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.

Money around this bill

3 lobbying clients named this bill on 4 disclosure filings across 3 quarters, Dec 2025 to Jun 2026. Those filings disclosed $180,000 in lobbying spend. A filing names 3 bills on average, so that figure is what each filing reported, not a share belonging to this bill.

More lobbying clients named this bill than 61% of bills with at least one filing.

Donald Davis, the sponsor, reported $1,617,446 in PAC receipts in the 2026 cycle.

• Society of Nuclear Medicine and Molecular Imaging — $80,000 on 1 filing
• Society of Nuclear Medicine and Molecular Imaging — $60,000 on 1 filing
• American Association of Physicists in Medicine — $40,000 on 2 filings

Lobbying Disclosure Act filings through Jul 20, 2026. A filing shows who paid to lobby on a bill it names, not what changed.