Test Code TT3 T3 TOTAL
Performing Laboratory
Trinity Health Grand Haven
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Specimen Type: Serum
Container/Tube: Serum gel or red top
Specimen Volume: 1 mL
Collection Instruction:
1. Label specimen as serum.
2. Avoid hemolysis and lipemia.
Reference Values
0.820-1.58 ng/mL
Day(s) Test Set Up
Monday through Sunday
Methodology
Competitive Immunoassay
Specimen Transport Temperature
Ambient
Test Classification and CPT Coding
84480
Specimen Storage and Stability
| Storage | Temp | Stability |
| Room temperature | 15-300C | less than or equal to 24 hours |
| Refrigerated |
2-80C |
less than or equal to 7 days |
| Frozen | less than or equal to -200C | less than or equal to 4 weeks |