Lab comparisonCPT 84443
Thyroid Stimulating Hormone: Quest vs LabCorp vs BioReference, tube, code & requirements
Measures TSH level to assess thyroid function. This page shows collection requirements for all three major reference labs in one view, so you don’t have to cross-check three portals.
Always verify against your lab’s current collection manual before drawing.
Every value on this page is verified by a nurse practitioner in active clinical practice, not scraped from an automated source.
| Requirement | Quest Diagnostics | LabCorp | BioReference |
|---|---|---|---|
| Test code | 899 | 004259 | 0844300 |
| Primary tube | Red Top or Gold SST | Gold SST | Red Top |
| Specimen type | Serum | Serum | Serum |
| Patient prep | None | None | None |
Frequently asked questions
What is the Quest Diagnostics order code for Thyroid Stimulating Hormone?
The Quest Diagnostics order code for Thyroid Stimulating Hormone is 899.
What tube color does LabCorp use for Thyroid Stimulating Hormone?
LabCorp uses a Gold SST for Thyroid Stimulating Hormone.
Does Thyroid Stimulating Hormone require fasting?
No fasting is required for Thyroid Stimulating Hormone.
Data provenance
Source: Quest Diagnostics specimen collection manual, LabCorp directory of services, and BioReference laboratory collection guide.
Verified by: a licensed nurse practitioner in active clinical practice. Values are reviewed against each lab’s published collection requirements. Always confirm against your lab’s current manual before drawing.
Need the full lookup, not just a comparison?
No login · Zero PHI · Clinician-verified · Quest + LabCorp + BioReference.