FDA product code · Anesthesiology · Class 2

CAF: Nebulizer (Direct Patient Interface)

CAF is FDA's product code for "Nebulizer (Direct Patient Interface)": a Class 2 device classified under 21 CFR 868.5630, reviewed by the Anesthesiology panel.

510(k) review time for CAF

Across 51 510(k) clearances under CAF decided from 2018-01-01 to 2026-10-06, the median was 235 days from FDA receipt to decision. Half took between 180 and 270 days, and 80% were decided within 299 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, CAF, decisions 2018-01-01 to 2026-10-06 (n = 51)
Fastest90
25th percentile180
Median235
75th percentile270
80th percentile299
90th percentile448
Slowest711
Median days by decision year, CAF (years with enough clearances to compute). The partial final year counts only submissions already decided, so its median runs low.
YearMedian daysn
20181619
20202196
20213248
20232798
20252117

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.

CAF in the public FDA record

Records naming CAF, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years508
Device recalls36
Establishment listings539
GUDID device identifiers2,489

Counts of records, not of devices or events. Adverse event reports for CAF 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 CAF

6 FDA recognized consensus standards cite CAF, 1 of them recognized only in part, among them ISO 18562-1 Second edition 2024-03; ISO 18562-2 Second edition 2024-03; ISO 18562-3 Second Edition 2024-03. Horizontal standards such as biocompatibility, sterilization and software standards can apply without citing the code.

  • 1-173 ISO 18562-1 Second edition 2024-03 (partial recognition) — Biocompatibility evaluation of breathing gas pathways in healthcare applications - Part 1: Evaluation and testing within a risk management process
  • 1-174 ISO 18562-2 Second edition 2024-03 — Biocompatibility evaluation of breathing gas pathways in healthcare applications - Part 2: Tests for emissions of particulate matter
  • 1-175 ISO 18562-3 Second Edition 2024-03 — Biocompatibility evaluation of breathing gas pathways in healthcare applications - Part 3: Tests for emissions of volatile organic compounds
  • 1-176 ISO 18562-4 Second Edition 2024-03 — Biocompatibility evaluation of breathing gas pathways in healthcare applications - Part 4: Tests for leachables in condensate
  • 1-189 ISO 4135 Fourth edition 2022-01 — Anaesthetic and respiratory equipment - Vocabulary
  • 1-194 ISO 27427 Fourth edition 2023-07 — Anaesthetic and respiratory equipment - Nebulizing systems and components

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

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