MAUDE Adverse Event Report: ROCHE DIAGNOSTICS COAGUCHEK ® XS SYSTEM; PROTHROMBIN TIME TEST STRIPS

Catalog Number 04625374160

Device Problem High Test Results (2457)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 12/10/2021

Event Type  malfunction  

Manufacturer Narrative

Initial reporter occupation: occupation is patient/consumer.The meter and test strips were requested for investigation.The product has not been received at this time.If the product is returned in the future, a follow up report will be submitted.On a regular basis, coaguchek strips of lots currently valid in the market are tested as part of routine retention testing and results have passed the internal inspection.Per product labeling, "coaguchek uses human recombinant thromboplastin.Therefore, the comparability to other human recombinant thromboplastins is best, whereas higher deviations can occur with other thromboplastins.However, those higher differences between thromboplastins of different (rabbit, bovine based) origin are not a coaguchek specific issue.Similar differences can be observed when a human recombinant thromboplastin-based laboratory method is compared against several other (rabbit, bovine-based) laboratory.

Event Description

There was a complaint of questionable inr results with coaguchek xs meter (b)(4) compared to an unknown laboratory method.The result from the meter at 1:55 p.M.Was 5.8 inr.The result from the meter at 1:58 p.M.Was 5.4 inr.The result from the laboratory at 2:55 p.M.Was 3.6 inr.The patient was advised to hold the warfarin dose for one day based on this result.The patient¿s therapeutic range is 2.0-3.0 inr.

• Brand Name: COAGUCHEK ® XS SYSTEM
• Type of Device: PROTHROMBIN TIME TEST STRIPS
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250 0457
• Manufacturer (Section G): ROCHE DIAGNOSTICS GMBH; sandhoferstrasse 116; na; mannheim (baden-wurttemberg) 68305 ; GM 68305
• Manufacturer Contact: michael leslie ; 9115 hague road; na; indianapolis, IN 46250 ; 3175214343
• MDR Report Key: 13119656
• MDR Text Key: 286460183
• Report Number: 1823260-2021-03945
• Device Sequence Number: 1
• Product Code: GJS
• UDI-Device Identifier: 00365702127104
• UDI-Public: 00365702127104
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K062925
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Consumer
• Reporter Occupation: Other
• Type of Report: Initial
• Report Date: 12/30/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Expiration Date: 07/31/2022
• Device Catalogue Number: 04625374160
• Device Lot Number: 51508823
• Was Device Available for Evaluation?: No
• Initial Date Manufacturer Received: 12/13/2021
• Initial Date FDA Received: 12/30/2021
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Is the Device Single Use?: No
• Is This a Reprocessed and Reused Single-Use Device?: No
• Patient Sequence Number: 1
• Treatment: WARFARIN
• Patient Age: 49 YR
• Patient Sex: Male
• Patient Weight: 79 KG