Skip to content
Recall Observatory FDA recall evidence

Device product

cobas m 511 integrated hematology analyzer, Model Number 07261691190 Product Usage: The cobas m 511 integrated hematology analyzer is a quantitative, automated analyzer with cell locating capability. It is intended for in vitro diagnostic use by a skilled operator in the clinical laboratory. The system prepares a stained microscope slide from EDTA anticoagulated whole blood. It utilizes computer imaging to count the formed elements of blood and provide an image-based assessment of cell morphology, which may be reviewed by the operator, and also allows for manual classification of unclassified cells. The instrument reports the following parameters: RBC, HGB, HCT, MCV, MCH, MCHC, RDW, RDW-SD, %NRBC, #NRBC, WBC, %NEUT, #NEUT, %LYMPH, #LYMPH, %MONO, #MONO, %EO, #EO, %BASO, #BASO, PLT, MPV, %RET, #RET, HGB-RET.

Z-2557-2018

May 07, 2018

Class II

Product summary

Firm
Roche Diagnostics Hematology
Event
Event 80376
Status
Terminated
Classification
Class II
Quantity
17
Official record key
device-enforcement:Z-2557-2018

Official wording

Reason: Discrepant results have been reported in patients with severe microcytic anemia (e.g.iron deficiency, thalassemia) and the following parameters are affected: RBC (red blood cell count), HGB (hemoglobin concentration), MCH (mean corpuscular hemoglobin), HCT (hematocrit), and MCV (mean corpuscular volume).

Code information: All systems with software version 1.0

Distribution pattern: No distribution in the United States. The devices were distributed to the following foreign countries: Austria, France, Germany, Hong Kong, Japan, Netherlands, Pakistan, Singapore, South Korea, Switzerland, Thailand, and Vietnam.

Derived failure modes

  • Unknown

    reason.no_named_rule · v1.0.0

    Discrepant results have been reported in patients with severe microcytic anemia (e.g.iron deficiency, thalassemia) and the following parameters are affected: RBC (red blood cell count), HGB (hemoglobin concentration), MCH (mean corpuscular hemoglobin), HCT (hematocrit), and MCV (mean corpuscular volume).