TRH TEST FOR TSH STIMULATION - (P)
Test Code: TRTS
This procedure is used to distinguish between primary, secondary and tertiary hypothyroidism. It may also be used to assess recovery from hypothyroidism and to distinguish thyroid hormone resistance from TSH-secreting tumors. This procedure is performed in the Endocrinology & Metabolism Clinical Investigation Unit.
Plasma: 1.0 mL
Pediatric Plasma: 0.4 mL
A descriptive report will be sent.
Endocrinology Consult Required
Follow lab instructions given on the TRH/TSH Stimulation Requisition Form.