S-T Test Listing

T4, Free

Test Code: 866

CPT Code(s): 84439

Methodology: Immunoassay

Clinical Significance: For diagnosis of hypothyroidism and hyperthyroidism

Additional names: Free T-4, Free Thyroxine, FT4, Thyroxine Free

TSH

Test Code: 
899 - TSH
36127 - TSH with Reflex to FT4
90896 - TSH, Pregnancy

CPT Code(s): 
Test Code 899: 84443
Test Code 36127: 84443
Test Code 90896: 84443

Supply: 170739 RedGrey SST 8.5mL