LONGHORN VACCINES AND DIAGNOSTIC: Medical Device Recall in 2020 - (Recall #: Z-2952-2020)

Updated on March 25, 2026.

See the recall detail below. You can also see other recalls from the same firm in 2020.

Data Source: FDA.

Product Description:

PrimeStore Molecular Transport Medium (PS-MTM), Model Numbers LH-1-2, LH-1-3, LH-1-4, LH-1-5, LH-1-5CC, LH-1-15CC - Product Usage: intended for stabilization, transportation, and inactivation of infectious unprocessed nasal washes, nasopharyngeal, oral/throat swabs* suspected of containing Influenza A virus RNA. PS-MTM is also intended for the stabilization, transportation, and inactivation of infectious unprocessed sputum samples suspected of containing Mycobacterium tuberculosis (MTB) DNA from human samples.

Product Classification:

Class II

Date Initiated: June 3, 2020

Date Posted: September 23, 2020

Recall Number: Z-2952-2020

Event ID: 86189

Reason for Recall:

The tubes may have been delivered to some users without labels. Users may not be able to identify the tubes without these labels. If samples stored or transported in tubes are tested on certain systems or come into contact with bleach they can produce cyanide gas. The solution in these tubes contains guanidine thiocynate and may put laboratory personnel at risk of exposure to cyanide gas when it comes into contact with bleach or reagents containing bleach.

Status: Ongoing

Product Quantity: 1,936,050

Code Information:

Lot Numbers: 200421A 200421B E200427A E200427B E2000505B CN200423 CN200427

Distribution Pattern:

Nationwide distribution including in the state of MD.

Voluntary or Mandated:

Voluntary: Firm initiated