June 2019: Changes to UALDOS, TSIG, TRAB

Special Communication

Changes to Aldosterone with Na and K, 24hr Urine (UALDOS), Thyroid Stimulating Immunoglobulin (TSIG), and TSH Receptor Antibody (TRAB) Testing

Changes to Specimen Requirements

Effective May 20, 2019.

Specimen Requirements:

Aldosterone with Na and K, 24-hr Urine (UALDOS)

Volume:
1 mL, 24-hour urine

Minimum Volume:
0.5 mL

Collection Container:
Clean container

Transport Temperature:
Refrigerated

Samples with additives will be rejected.

Changes to Reference Ranges

Effective August 28, 2019.

Interfaced Clients: These updates may require changes to the Test Build.

Reference Ranges:

Thyroid Stimulating Immunoglobulin (TSIG)

Thyroid Stimulating Immunoglobulin:
< 0.55 IU/L

Thyroid Stimulating Immunoglobulin, Qualitative:
Negative

Reference Ranges:

TSH Receptor Antibody (TRAB)

Thyroid Stimulating Immunoglobulin:
< 0.55 IU/L

Thyroid Stimulating Immunoglobulin, Qualitative:
Negative

TSH Binding Inhibition (0 – 99 Years):
< 1.0 U/L

Any additional information will be included in a future Technical Update.  If you have any questions about these changes, please contact Client Services for assistance.