A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: TSH
Performed: 24 hrs.
Turn Around Time: Med Emerg: 60 minutes; Routine: 4 hrs.
CPT Codes: 84443
Performed By: Chemistry
Notes: This test is performed by both the Rapid Response and Logistics Chemistry labs.
Clinical Utility: General thyroid function screening test with no reflex testing. Please note: TSH values may vary due to physiological effects of pregnancy. The variation is most notable during the first half of gestation and thus values outside the reported reference range may not reflect abnormal thyroid functions.
Unacceptable Conditions: Hemolysis
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
TSH |
|
All |
0 minutes - 3 days |
1 |
20 |
mcIU/mL |
TSH |
|
All |
3 days - 1 month |
0.5 |
6.5 |
mcIU/mL |
TSH |
|
All |
1 month - Unspecified |
0.4 |
4.5 |
mcIU/mL |
TSH Interp |
|
|
|
|
|
|
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Red w/Gel, 5mL |
|
|
|
Deliver at room temperature to lab within 2 hours. |
Specimens should be spun and aliquots prepared when needed. Store in appropriate temperature conditions and deliver to Logistics Laboratory. |