Thank you for your patience while we transitioned to our upgraded systems. We continue to work through the backlog of orders, demographic changes, and other requests created during the downtime. Our priority is to resolve the backlog as quickly as possible. We appreciate your understanding and continued support.
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HARMONIZED THYROID - ABTH
ABTH
Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS).
Analyte
Challenges per Shipment
Number of Shipments
Triiodothyronine (T3), free
3
Two shipments per year
Triiodothyronine (T3), total
3
Thyroxine (T4), free
3
Thyroxine (T4), total
3
Thyroid‑stimulating hormone (TSH)
3
Additional Information
Analytes will be evaluated using harmonization.
Specimens are collected by a modified application of Clinical and Laboratory Standards Institute Guideline CLSI C37‑A, Preparation and Validation of Commutable Frozen Human Serum Pools as Secondary Reference Materials for Cholesterol Measurement Procedures; Approved Guideline.
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