Thyroxine (T4) Free, Direct, Serum
$30.00
Labcorp Test Number: 001976
Test Details: Thyroxine (T4) Free, Direct, Serum measures the levels of free thyroxine in the blood, providing information about thyroid function.
Specimen Type: Serum
Fasting: Fasting may not be required. Follow specific instructions from your healthcare provider.
Turnaround Time: Results typically accessible through the Labcorp patient portal within 1-2 weeks. Lab results will also be emailed securely via a HIPAA-compliant file-sharing service for your convenience and privacy.
Clinical Insight: Free T4 levels are crucial for assessing thyroid health and diagnosing conditions such as hypothyroidism or hyperthyroidism.