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HelpTest Code TSH | BEAKER: LAB129 TSH
Additional Codes
Epic EAP: LAB129
Epic Description: TSH
Synonym
Thyroid Stimulating Hormone
Collection Limitations
If patient is being stimulated, label collection tubes appropriately with baseline or minutes (30,60,etc.) post stimulation. (Reflexive testing information: If warranted, Free T4 is also performed.)
Specimen Type
Blood
Specimen Required
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Green, Lithium Heparin with Inert Gel |
4.5 mL | 1.5 mL |
| Alternate | Gold, Clot Activator with Inert Gel OR Red, No Anticoagulant, No gel | 4.5 mL | 1.5 mL |
| Preferred Micropuncture | Green Micro, Lithium Heparin with Inert Gel | 2 X 0.6 mL | 2 X 0.6 mL |
| Alternate Micropuncture | Gold Micro, Clot Activator with Inert Gel | 2 X 0.6 mL | 2 X 0.6 mL |
| Neonate Micropuncture | Green Micro, Lithium Heparin with Inert Gel | 1 X 0.6 mL | 1 X 0.4 mL |
OALH LAB:
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Green, Lithium Heparin with Inert Gel |
4.0 mL | 1.0 mL |
| Alternate | Red, no anticoagulant, No gel | 4.0 mL | 1.0 mL |
Instructions for Collection and Transport
Centrifuge specimen. Transport refrigerated on freeze packs. If holding overnight, aliquot plasma or serum into plastic vial and refrigerate. Transport refrigerated on freeze packs.
Home Health Agencies: Keep specimen cool. Deliver to testing lab within 4 hours.
Aliquot Requirements
Plasma or serum
Optimum 1.0 mL
Minimum 0.2 mL
Performing Lab
Chemistry Lab
Assay Frequency
24 hours
Routine Turnaround Time
1 day
OALH Lab: 240 min
CSR Storage Requirements
Centrifuge specimen. Transport to Chemistry lab. If testing will be delayed more than 24 hours, aliquot plasma or serum into a plastic vial and refrigerate.
CPT Code Information
84443
Reflexive Testing
Abnormal TSH reflex to free T4