1899 Free T4 w/ TSH - Interpath Laboratory, Inc.

1899 Free T4 w/ TSH

Specimen:

Collect:

One 7.5 mL SST

Submit:

1 mL (Min:0.5 mL) Serum. Submit Refrigerated.

Special Handling:

Allow specimen to clot completely at room temperature
Avoid Repeated Freeze/Thaw Cycles
Separate from cells ASAP

Stability:

Ambient: Unacceptable; Refrigerated: 2 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology:

Chemiluminescence

Performed:

Mon-Fri

Reported:

1-3 Day(s)

CPT Codes:

84439 - Thyroxine, Free

84443 - Thyroid Stimulating Hormone

Interpretive Data:

Please see report for interpretive data.

Components:

2146 - FREE T4

2090 - TSH, 3rd GEN.