TSH
Abbreviation
TSH
Transport Temp
2-8 C (ice packs)
Stability
Store at 2-8 C up to 7 days, -20C up to 6 months
Minimum Vol
0.5 mL
Alternative Specimens
Plasma (lithium heparin, sodium heparin, EDTA)
Reference Ranges
0.35-4.94 uIU/mL
Collection Instructions
Routine venipuncture
Transport Container
Draw tube or plastic pour off tube
Methodology
2-step immunoassay using CMIA (Chemiluminescent Microparticle Immunoassay)
Clinical Significance
Decreased levels-primary hyperthyroidism (Grave’s disease, nodular goiter) Elevated levels-primary hypothydiudism, pituitary disfunction; ie central hypothyroidism. Used as an aid in the assessment of thyroid status, diagnosis and treatment of thyroid disease
Alternative Names
Thyroid Stimulating Hormone