Nitroprusside, Ketones (Urinary, Non-Quant.)

Reports per year

Source: FDA adverse event reports by year received, 2001–2026. Reporting paused during the 2026 MAUDE-to-AEMS transition and has since resumed.

Recent recalls

• 2026-05-06Open, ClassifiedNo Marketing Application

  One Step K in vitro diagnostic test REF: 81A4

  The devices were distributed without required FDA premarket clearance or approval.

• 2026-02-04Open, ClassifiedNo Marketing Application

  The Girlfriend Doctor Dr. Anna Cabeca Keto-pH-Uric Acid Test Strips; URIMED Urinalysis Reagent Strips URS-5, Rapid UTI Test Includes Ketones: Leukocytes, Nitrite, pH, Ketone, Protein; Vivoo Ketone Test

  Test strips and other tests including for near-patient testing, that require a 510(k) were distributed before they could be legally marketed to U.S. customers; devices may cause false or inaccurate diagnostic result by lay person and lead to inappropriate medical intervention.

• 2023-12-06Open, ClassifiedComponent change control

  STAT-Site M BHB Test Strips, used with STAT-SITE M Beta-HB Meter as an in vitro diagnostic for blood ketone values.

  Deterioration in the stability of the Test Strips results in diminished low-range detection capability and inability to meet linearity performance claims. The root cause of the stability deterioration in is identified as the change in material that caused a pH shift in the coating solution resulting in precipitation during coating runs. The device defect can cause false negative results that may lead to a delay in treatment of patients with associated conditions such as diabetic ketoacidosis.

• 2023-10-23Open, ClassifiedOther

  HealthyWiser KetoFast" Ketone Test Strips REF 900-1K 150 test strips

  Universal Meditech Inc. was violatively distributing PrestiBio" Breastmilk Alcohol Test Strip, DiagnosUS SARS-CoV-2 Antibody (IgG/IgM) Test, HealthyWiser KetoFast" Ketone Test Strips and PrestiBio" Ketone Test Strips without marketing authorization. UMI is also recall their tests because they are going out of business and would not be able to continue fulfilling any post-market responsibilities of these distributed products. UMI claims to hold 510(k)s for the other devices, purchased the intellectual property in 2015 from the previous 510(k) holder, but FDA has been unable to verify this information. The devices may have unknown performance characteristics because the firm is unable to provide any documentation that the devices were manufactured in conformance with the Quality System regulation, including documentation (e.g., DHF) that the distributed devices had not been modified since original clearance in a way that could impact their safety and effectiveness, documentation of controlled storage temperature/humidity, and post-market surveillance documentation, such as complaints and adverse events.

• 2023-10-23Open, ClassifiedOther

  PrestiBio KETONE TEST STRIPS REF 900-1KET 100 STRIPS/+50 FREE

  Universal Meditech Inc. was violatively distributing PrestiBio" Breastmilk Alcohol Test Strip, DiagnosUS SARS-CoV-2 Antibody (IgG/IgM) Test, HealthyWiser KetoFast" Ketone Test Strips and PrestiBio" Ketone Test Strips without marketing authorization. UMI is also recall their tests because they are going out of business and would not be able to continue fulfilling any post-market responsibilities of these distributed products. UMI claims to hold 510(k)s for the other devices, purchased the intellectual property in 2015 from the previous 510(k) holder, but FDA has been unable to verify this information. The devices may have unknown performance characteristics because the firm is unable to provide any documentation that the devices were manufactured in conformance with the Quality System regulation, including documentation (e.g., DHF) that the distributed devices had not been modified since original clearance in a way that could impact their safety and effectiveness, documentation of controlled storage temperature/humidity, and post-market surveillance documentation, such as complaints and adverse events.

• 2020-02-28TerminatedLabeling False and Misleading

  FreeStyle Precision H Blood Glucose and Ketone Monitoring System, UDI: 00093815711810

  Instructions sent in a letter or in instructions for use for disinfecting blood glucose and/or ketone meters were distributed but not cleared by the U.S. FDA, and devices were not cleared for multiple-patient use. Instructions could lead to inappropriate meter disinfection or improper handling of contaminated meters, which may cause infection or exacerbation of an existing infection.

• TerminatedStorage

  Hydroxybutyrate LiquiColor Tests - includes 3 bottles (1 of each size, 3mL, 8.5mL, and 50mL)

  Product was improperly store which may cause a delay in results.

• Open, ClassifiedStorage

  Diluent, Stat-Site B-HB, 6x 3ML - Product Usage: Intended to be used with the Stat-Site test strips or KetoSite test cards to dilute specimens containing high levelsof B-hydroxybutrate into the test range.

  Possible false negative or false positive results due to the product being compromised during shipment.

• TerminatedStorage

  B-Hydroxybutyrate LiquiColor, Item code CH2440058 - Product Usage: Product is used for the quantitative determination of B-Hydroxybutyrate in human serum or plasma.

  Three products requiring refrigerated storage conditions were incorrectly stored outside of approved temperature ranges. Using these temperature abused products may result in misdiagnosis of the patient.

• TerminatedUnder Investigation by firm

  Beta-Hydroxybutyrate LiquiColor. in vitro diagnostic reagent.

  Deterioration in the stability of the reagents which has resulted in lower than expected or out of range Quality Control values.