T4 TOTAL SERUM / PLASMA

General Information

HLAB/HOL Code: T4
UPHSM LIS Test #: 288
Schedule: Daily
Testing Time: 1 day
Testing Lab: UP Health System-Marquette

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 0.5 ml serum
Temperature: Refrigerate
Tube Type: 1 SST Tube
Collection Info:
Centrifuge an refrigerate specimen after collection.  EDTA or Heparinized Plasma are also acceptable.

Methods

Immunoassay

CPT Codes

84436

* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Reference Range

4.3 - 11.0 mcg/dL