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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Free T4
Test CodeLAB127 1230100031
Alias/See Also
FREE T4
FT4
FT4
CPT Codes
84439
Includes
THYROXINE (T4) FREE (NG/DL) IN SER/PLAS
Preferred Specimen
Serum
Transport Container
SST
Transport Temperature
Refrigerated
Specimen Stability
Do not use turbid specimens
Reference Range
Result Checking Type | Low (N) | High (N) | Numeric Range (N) |
Reference Range | 0.58 | 1.90 | 0.58-1.90 |
Performing Laboratory
MWH LAB SH LAB