Laboratory Services

Thyroid Cascade

Name: Incyte Diagnostics
Address: 13103 E Mansfield Ave, Spokane Valley, Washington, 99216, USA
Telephone: +1-If-you-have-questions-regarding-your-bill-or-would-like-to-make-a-payment,-please-visit-our-Billing-page-by-clicking-"Pay-Online"-at-the-top-of-the-page-For-other-inquiries,-please-call-us-at-509-892-2700

Updated Test Information:

Test Description	Thyroid Cascade
Synonym(s)	Thyroid Function Cascade
Test ID	TSHC
General Information	Thyroid-stimulating hormone (TSH) with reflex to FT4, T3, and/or thyroid peroxidase (anti-TPO) antibodies depending on the results. If reflex testing is performed, additional charges/CPT code(s) may apply. If TSH is <0.27 mIU/L, then free T4 (FT4) is performed. If FT4 is normal and the TSH is <0.1 mIU/L, then T3 is performed. If TSH is >4.2 mIU/L, then FT4 and thyroperoxidase antibodies are performed.
Specimen Type	Serum
Specimen Requirements	SST
Minimum Sample Volume	0.5
Stability	8 days at 20-25 °C 8 days at 2-8 °C 12 months at -20 °C (± 5 °C)
Department (code)	Chemistry
Methodology	Electrochemiluminescence immunoassay (ECLIA)
Estimated TAT	0-2 days
Testing Schedule	Monday-Saturday
CPT Code(s)	84443. If reflexed, additional charges will apply
Performing Lab	Incyte Diagnostics