|
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 # |
Thyroid Function Cascade
MessageA TSH is run and if the result is low, it will reflex a Free T4. If this Free T4 is low or normal it will reflex a Free T3.
If the TSH result is high, it will reflex Free T4 and TPO Antibody tests.
If the TSH is normal, no further testing is indicated.
If the TSH result is high, it will reflex Free T4 and TPO Antibody tests.
If the TSH is normal, no further testing is indicated.
Test Code
TFC
Alias/See Also
Thyroid Reflex
CPT Codes
84443, may add additional
Includes
TSH (Thyroid Stimulating Hormone). May reflex additional tests Free T4, Free T3, or TPOAB based on patient results.
Preferred Specimen
light green lithium heparin tube
Patient Preparation
None
Minimum Volume
4.0 mL
Instructions
Collect light green lithium heparin tube, centrifuge and refrigerate.
Transport Container
light green lithium heparin tube
Transport Temperature
Refrigerated
Setup Schedule
Every day
Report Available
Within 24 hours
Reference Range
TSH normal range 0.2700-4.2000.
Performing Laboratory
MMH laboratory, Belpre laboratory, SGH laboratory