3250SR Thyroid Stimulating Hormone, 3rd Generation with serial reporting

Components
NAME METHOD REFERENCE RANGE UNITS
Thyroid Stimulating Hormone ICMA  view ref range  uIU/mL 


Specimen Requirements
TYPE VOLUME TEMPERATURE INSTRUCTIONS
PRIMARY
1 Serum 2 (0.8) mL   Refrigerated - 4 Day(s), Frozen - 2 Month(s)  


Clinical utility
Differential diagnosis of primary hypothyroidism and hyperthyroidism from secondary and tertiary hypothyroidism; thyroid function test (TSH is high in primary hypothyroidism, low in hyperthyroidism); evaluate hypothyroid patients receiving replacement doses of various thyroid hormone preparations; normalization of TSH a useful guide; detect hypopituitarism; follow up low T4 newborn screen results.


Reported: Same day

CPT Code: 84443