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t4, free by dialysis
Synonyms: Thyroxine, Free by Dialysis; Free Thyroxine by Dialysis; Free T4 by Dialysis 
Computer Code: (RFTDE )
Specimen Collection: 4 mL blood (red or lavender top tube). Send to special chemistry immediately. 
Minimum Volume: 1 mL 
Handling Instructions for Offsite Areas: Serum: Allow to clot, centrifuge for 20 minutes, remove serum, freeze. Plasma: centrifuge for 20 minutes, remove plasma, freeze. Pediatric min. 0.4 mL serum or plasma. Separate within 1 hour of collection. Adult min. 0.5 mL serum or plasma. 
Reference Values: See reference laboratory report.  
Lab Code: CC REF 
Requisition: SPEC C
Test Frequency: NA 
Routine TAT: 8 days 
Stat TAT: NA 
CPT Code(s): 84439 
LCD or NCD:  
Methodology Used: R
See Addendum XVII

Albany Medical Center
43 New Scotland Avenue
Albany, NY, 12208
Date: 09/02/2014
Time: 22:18:52 (24hr)