T4

eD-H Order Code

LAB126

Specimen Collection Information

Specimen	Minimum Test Volume	Container	Special Handling
Blood	0.1 ML

Specimen Transport Temperature

Refrigerated

Reference Ranges / Critical Values

Assay	Gender	Age Range	Normal Range	Critical Values	Units
T4	Male	7 Days – 1 Years	5.6 -12.2		mcg/dL
		1 Years – 9 Years	5.9 -9.3		mcg/dL
		9 Years – 12 Years	5.3 -8.5		mcg/dL
		12 Years – 14 Years	4.9 -7.7		mcg/dL
		14 Years – 150 Years	4.6 -7.9		mcg/dL
	Female	7 Days – 1 Years	5.6 -12.2		mcg/dL
		1 Years – 9 Years	5.9 -9.3		mcg/dL
		9 Years – 12 Years	5.3 -8.5		mcg/dL
		12 Years – 14 Years	4.9 -7.7		mcg/dL
		14 Years – 150 Years	5.3 -11.6		mcg/dL

Specimen Stability

Chemistry Blood and Urine Analyte Stability Chart

Interpretive Data

Assay Display	Interpretive Data
T4	Reference Interval (ug/dL): Pregnant Females: First Trimester: 6.3-13.5 Second Trimester: 7.1-14.3 Third Trimester: 6.9-14.1

Day(s) Performed

Monday through Sunday; continuously

CPT(s)

84436

Performing Lab Section

Chemistry