---
title: "NanoDots, Model Numbers: a) BC30023, description: QC Set For Microstar Dots; ... — FDA record Z-2573-2023 | Is It on Recall"
description: "LANDAUER received reports indicating that some nanoDots may potentially be outside of the specified range of +/-5.5% accuracy. Investigation of nanoDots indicat"
url: https://isitonrecall.com/recall/fda-device-z-2573-2023-nanodots-model-numbers-a-bc30023-description-qc-set-for-microstar-dots-b-bc30083-description-nanodot/
updated: 2026-10-01
site: "Is It on Recall"
language: en
---

[Recall archive](https://isitonrecall.com/archives/) / FDA device enforcement

# NanoDots, Model Numbers: a) BC30023, description: QC Set For Microstar Dots; b) BC30083, description: nanoDot QC Set ... — FDA record Z-2573-2023

Reported completed

Status as reported in the agency record. FDA warns that enforcement status may not track the current recall lifecycle; check the current official notice.

Source date Jul 12, 2023. Retrieved Oct 1, 2026. Last updated Oct 1, 2026.

Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/).

## What the record says

- **Product**: NanoDots, Model Numbers: a) BC30023, description: QC Set For Microstar Dots; b) BC30083, description: nanoDot QC Set - 80kVp - Sale; c) BC30084, description: nanoDot QC Set - 80kVp - No Charge; d) BC30088, description: nanoDot Calibration Set - 80kVp - No Charge; e) BC30095, description: Dot, D1DNN, in carrier sealed in bag; f) BC30110, description: Calibration set, nanoDot; g) BC30141, description: nanoDot QC Set - Cs137 - Sale; h) BC30142, description: nanoDot Calibration set - Cs137 - Sale; radiation monitoring dosimeter used with the microSTAR readers
- **Reason**: LANDAUER received reports indicating that some nanoDots may potentially be outside of the specified range of +/-5.5% accuracy. Investigation of nanoDots indicated the presence of a potential non-conformance in the Optical Stimulated Luminescence (OSL) material that is beamed after exposure and emits fluorescence proportional to radiation exposure.
- **Classification**: Class II
- **Recalling firm**: Landauer
- **Quantity**: 18333 units
- **Agency-reported status**: Completed
- **Source record identifier**: Z-2573-2023

[Open the official record](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-2573-2023%22)

[What the recall classes mean](https://isitonrecall.com/guides/recall-classes/). Classification is an agency assessment, not individual medical advice.

## Lot and product identifiers

| Label field | Details supplied by the agency |
| --- | --- |
| Lot, code or applicability | UDI/DI 0860003399903, all batch numbers |

Match all identifying details in the current notice. A brand name alone is not enough.

## Distribution

Worldwide

No US distribution state could be established from this record. Check the official notice.

## Dates in the source

- **Report date**: Sep 20, 2023
- **Recall initiation date**: Jul 12, 2023
- **Center classification date**: Sep 12, 2023

FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable.

## What to do next

Read the official notice for the action that applies to your exact product.

[Read the current instructions](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-2573-2023%22)

## Related records

[Medical devices records](https://isitonrecall.com/category/medical-devices/) [Landauer records](https://isitonrecall.com/brand/landauer/)