Thyroid Stim Horm w/ FT4 reflex TSHX

Synonyms
Allscripts (AEHR) Order Name	Thyroid Stimulating Hormone (with FT4 reflex)
Sunrise Clinical Manager (SCM) Order Name	Thyroid Stimulating Hormone w/FT4 Reflex
EPIC Order Name	Thyroid Stimulating Hormone (TSH) with Reflex to Free T4
Clinical Info	Test includes reflex to free T4 for TSH results outside the reference range.
Specimen Type	Blood
Specimen Volume
Container	Gold Top Tube
Collection Instructions	Container/Tube: Gold-top tube(s) Specimen Volume: 1 mL of serum Transport Temperature: Refrigerated Stability: 8 Days Room Temperature 14 Days Refrigerated 24 Months Frozen
Transport Instructions	Refrigerated
Specimen Stability	8 Days Room Temperature 14 Days Refrigerated 24 Months Frozen
Methodology	Electrochemiluminescence Immunoassay (ECLIA) No Biotin interference up to 1200ng/mL
Days Performed	Monday through Sunday, Continuously
Performing Laboratories	Northwell Health Laboratories
CPT	84443-TSH 84439-FT4 (if appropriate)
PDM	5300437
Result Interpretation TSH: Units µIU/mL Age Reference Range 0 – 5 days 0.70 – 15.20 5 days – 2 months 0.70 – 11.00 2 months – 11 months 0.70 – 8.40 11 months – 5 years 0.70 – 6.00 5 years – 10 years 0.60 – 4.80 10 years – 19 years 0.50 – 4.30 19 years – 150 years 0.27 – 4.20 Free T4: 0.9-1.8 ng/dL If TSH is <0.27 or >4.20, a Free T4 will be performed at an additional charge.
Forms

Synonyms