Recall Register

Food, drugs, devices

Device recall: GREER M. FAENI, 0.25 mL 20 MG/ML, Item: K6, Analyte Specific Reagent, HYPERSENSITIVITY PNEUMONITIS test system, gel diff

FDA enforcement event 91078 · Class II · initiated 25 Oct 2022 · status Terminated · terminated 11 Feb 2026

DeviceVoluntary: Firm initiated2 product recordsLenoir, NC

Greer Laboratories, Inc. (Lenoir, NC) initiated this device recall on 25 Oct 2022; FDA lists 2 product records under event 91078, classified Class II.

FDA defines Class II as a situation in which use of or exposure to a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote. 88% of the 839 device enforcement events initiated in 2022 carry the same class.

Status: Terminated, terminated 11 Feb 2026. Initiation: voluntary: firm initiated. This is the only enforcement event on this register for Greer Laboratories, Inc..

Recall classification reflects the relative degree of health hazard. Text in quotation marks is FDA's. openFDA export dated 28 Sep 2026.

Recalling firm

Greer Laboratories, Inc., Lenoir, NC.

Reason for recall

"The product was recalled because stability evaluation of the lots indicated a decrease in reactivity that could lead to a potential false-negative result interpretation. The issue was identified by the firm after failing to meet lot requirements for potency. The lot release error was discovered on October 08, 2021, after a failed potency test was determined during 6-month stability evaluation of…"

Distribution

"US Distribution to states of: CA, CO, IA, KY, MA, MD, MO, NC, PA, UT, VA, and International to countries of: Canada, Denmark"

Product records

Recall numberProductQuantityClassStatusReport date
Z-0347-2023GREER M. FAENI, 0.25 mL 20 MG/ML, Item: K6, Analyte Specific Reagent, HYPERSENSITIVITY PNEUMONITIS test system, gel diffusion kit for demonstrating precipitating antibodies.218 unitsClass IITerminated7 Dec 2022
Z-0348-2023GREER DIA - KIT ANTIGEN M. FAENI, 2.0mL 20 MG/ML, Analyte Specific Reagent, Item: K62, HYPERSENSITIVITY PNEUMONITIS test system, gel diffusion kit for demonstrating precipitating antibodies.102 unitsClass IITerminated7 Dec 2022

Context

88%of 2022 device events are Class II839 events that year
2product records in this event
1event on this register for the firm

Questions and answers

Why was this device recalled?

FDA's record gives the reason for recall as: "The product was recalled because stability evaluation of the lots indicated a decrease in reactivity that could lead to a potential false-negative result interpretation. The issue was identified by the firm after failing to meet lot requirements for potency. The lot release error was discovered on October 08, 2021, after a failed potency test was determined during 6-month stability evaluation of…"

What does Class II mean?

FDA classifies recalls by relative degree of health hazard. Class II is a situation in which use of or exposure to a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote.

Where was the product distributed?

FDA's distribution pattern field reads: "US Distribution to states of: CA, CO, IA, KY, MA, MD, MO, NC, PA, UT, VA, and International to countries of: Canada, Denmark"

Is the recall still ongoing?

FDA lists the status as Terminated; the termination date is 11 Feb 2026. "Terminated" means FDA has determined that all reasonable efforts to remove or correct the product have been made.

Where does this data come from?

openFDA enforcement reports (food, drug and device), CC0, export dated 28 Sep 2026. Text in quotation marks is FDA's. The FDA enforcement report linked above is authoritative.

Provenance

Source: openFDA device enforcement reports (CC0), export dated 28 Sep 2026; records grouped by FDA event number. The class shown for the event is the most severe class among its records. Errors in processing are corrected at the next build; see corrections.