CPT Code(s):

84439

Other Names:

Free Thyroxine

Test Includes:

Free T4

Specimen Requirements:

Serum(preferred)

Container

SST, Gold

Collection Instructions:

Separate the sample from cells as soon as possible.

Stability:

Specimens are stable up to 6 days at 2 - 8 ˚C.

Rejection Criteria / Special Instructions:

Methodology:

Architect i1000SR using CMIA technology