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

Catalog Number 04625374160

Device Problem Incorrect, Inadequate or Imprecise Result or Readings (1535)

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

Event Date 02/27/2023

Event Type  malfunction  

Manufacturer Narrative

Initial reporter occupation - occupation is patient/consumer.The test strips were requested for investigation.The product has not been returned.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.The investigation did not identify a product problem.The cause of the event could not be determined.

Event Description

The customer complained of discrepant inr results with coaguchek vantus meter serial number (b)(4).The meter result was 3.7 inr.Customer tested again five minutes later and the result was 2.5 inr.The customer's therapeutic range is 2.5-2.7 inr.Customer tests on a weekly basis.

• 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: amy nelson ; 9115 hague road; na; indianapolis, IN 46250 ; 3174767531
• MDR Report Key: 16612245
• MDR Text Key: 312297636
• Report Number: 1823260-2023-00959
• 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: K170960
• 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: 03/24/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 03/24/2023
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Catalogue Number: 04625374160
• Device Lot Number: 62216021
• Was Device Available for Evaluation?: No
• Date Manufacturer Received: 02/27/2023
• 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: CALCIUM; LEVOTHYROXINE; METOPROLOL; MULTIVITAMIN WITH IRON; OMEPRAZOLE; SIMVASTATIN; VITAMIN D; VITAMIN K; WARFARIN
• Patient Age: 78 YR
• Patient Sex: Female
• Patient Weight: 86 KG