TSH

Test Code
ITSH


Alias/See Also
Thyroid Stimulating Hormone


CPT Codes
84443

Preferred Specimen
1.0 ml of whole blood (0.5 mL of serum)


Minimum Volume
0.6 mL of whole blood (0.3 mL of serum)


Other Acceptable Specimens
Heparinized plasma


Transport Container
Serum Separator (gold top), Heparinized plasma (green or mint top)


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 8 hours
Refrigerated: 7 days
Frozen: 4 weeks


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Turbidity


Methodology
Immunometric

Setup Schedule
Daily


Report Available
Inpatient turn around time: 8 hours.  Outpatient testing received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.