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HelpTest Code Epic LAB5113 TSH WITH FREE T4 REFLEX
Sunquest ordering code
TSH3GR
Sample type
LIGHT GREEN LITHIUM HEPARIN
CPT Code
84443
Alias name
TSH W/RFX, TSH W/REFLEX, TSH REFLEX TESTING, TSH REFLEX FT4
Performing Laboratory
QC ALL
Special Instructions
FT4 will reflex with the following protocol:
18 yrs and older: <0.270 and >4.200
Minimum Volume
1.0 mL