Access Thyroglobulin Assay; 100 determinations, 2 packs, 50 tests/pack. For the quantitative determination of thyroglobulin levels in human serum and plasma using the Access Immunoassay Systems.

Beckman Coulter, Inc. is recalling Access Thyroglobulin reagent packs because some may exhibit greater than 10% imprecision at concentrations <10 ng/mL.

On 07/28/2015 the firm sent out customer notification letters via first class mail and e-mail. The firm's letter contained the following instructions: 1. Discard all Access Thyroglobulin reagent pack lots listed in the letter. 2. Evaluate Access Thyroglobulin results <10 ng/mL when using the reagent pack lot numbers listed to determine if controls and/or patients were higher than expected or did not match the clinical status of the patient. 3. At the discretion of the Laboratory Director, notify clinicians that it is possible the Access Thyroglobulin sample results reported by the laboratory were affected by this issue. The firm's notification letter requests that the information be shared with laboratory staff. If any affected products have been forwarded provide a copy of the letter to them. The firm requests that customers complete and return the Response Form within 10 days. Any questions contact the Customer Care Center: 1. From website at http://www.beckmancoulter.com 2. By phone: call 1-800-854-3633 in the United States and Canada. 3. Outside the United States and Canada, contact local Beckman Coulter representative