FDA product code · Radiology · Class 2

KPR: System, X-Ray, Stationary

KPR is FDA's product code for "System, X-Ray, Stationary": a Class 2 device classified under 21 CFR 892.1680, reviewed by the Radiology panel.

510(k) review time for KPR

Across 91 510(k) clearances under KPR decided from 2018-01-01 to 2026-10-06, the median was 57 days from FDA receipt to decision. Half took between 29 and 141 days, and 80% were decided within 153 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, KPR, decisions 2018-01-01 to 2026-10-06 (n = 91)
Fastest16
25th percentile29
Median57
75th percentile141
80th percentile153
90th percentile196
Slowest298
Median days by decision year, KPR (years with enough clearances to compute). The partial final year counts only submissions already decided, so its median runs low.
YearMedian daysn
20183015
20193312
20203916
2021556
2022438
2023769
202416211
20251558
2026 (to 10-06, partial)1976

Source: openFDA 510(k) records, snapshot of 2026-10-06 (openFDA data as of 2026-09-28). Compare 510(k) review times across all device types, see every code side by side in the Clearance Timeline Estimator, or browse the clearances themselves in PredicateScope.

KPR in the public FDA record

Records naming KPR, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years358
Device recalls168
Establishment listings285
GUDID device identifiers927

Counts of records, not of devices or events. Adverse event reports for KPR are in MAUDEScope, as counts with the query shown: MAUDE has no denominator, so a report count is not a rate and does not show that a device caused an event.

FDA-recognized standards that cite KPR

4 FDA recognized consensus standards cite KPR, 1 of them recognized only in part, among them NEMA XR 27 Amendment 1-2013; IEC 61910-1 Edition 1.0 2014-09; IEC 60601-2-54 Edition 2.0 2022-09. Horizontal standards such as biocompatibility, sterilization and software standards can apply without citing the code.

  • 12-286 NEMA XR 27 Amendment 1-2013 — X-ray equipment for interventional procedures - User Quality Control Mode
  • 12-290 IEC 61910-1 Edition 1.0 2014-09 — Medical electrical equipment - Radiation dose documentation - Part 1: Radiation dose structured reports for radiography and radioscopy
  • 12-348 IEC 60601-2-54 Edition 2.0 2022-09 (partial recognition) — Medical electrical equipment - Part 2-54: Particular requirements for the basic safety and essential performance of X-ray equipment for radiography and radioscopy
  • 12-364 IEC 61223-3-8 Edition 1.0 2024-03 — Evaluation and routine testing in medical imaging departments - Part 3-8: Acceptance and constancy tests - Imaging performance of X-ray equipment for radiography and radioscopy

Source: FDA Recognized Consensus Standards, snapshot of 2026-09-01. Search them all in the Consensus Standards Lookup.

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