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HelpTest Code LAB552 TSH w/ FT4 Reflex
Synonym
- TSHQR
Specimen Required
Preferred Container/Tube: Mint Green Top
Acceptable Container/Tube: Mint Green Top, Gold SST Top
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL
Specimen Stability Information
Ambient: 24 hours
Refrigerated: 5 days
Rejected Due To
- Gross hemolysis
Testing Algorithm
If the TSH result is <0.550 uIU/mL or >4.780 uIU/mL, then the FT4 (LAB127) will be performed at an additional charge.
Reflex Test
| Reporting Name | Available Separately | Always Reported |
|---|---|---|
| T4 Free | Yes | No |
Reference Values
0-18 years: 0.652-4.409 uIU/mL
19+ years: 0.550-4.780 uIU/mL
Method Description
The Atellica IM TSH3‑UL assay is a third-generation assay that employs anti-FITC monoclonal antibody covalently bound to paramagnetic particles, an FITC-labeled anti-TSH capture mouse monoclonal antibody, and a tracer consisting of a proprietary acridinium ester and an anti‑TSH mouse monoclonal antibody conjugated to bovine serum albumin (BSA) for chemiluminescent detection.
Performing Lab
Clinical Lab UH
Clinical Lab University East
Clinical Lab James
Clinical Lab West Campus
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 day
Reporting Name
TSH w/FT4 Reflex
CPT Code Information
84443
84439 (if appropriate)
LOINC Code Information
11579-0
3024-7 (if appropriate)