THYROID STIMULATING HORMONE 3rd GENERATION PRENATAL

Test Code

TSHP

Alias/See Also

Thyrotropin

CPT Codes
84443

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.5 mL

Other Acceptable Specimens

or 1 Red tube

Instructions

Centrifuge for complete separation of serum or plasma and red cells.

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 2 days
-20°C up to 1 month

Methodology
ECLIA (EIA by Chemiluninescence)

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

1st Trimester 0.1 - 2.5 µIU/mL

2nd Trimester 0.2 - 3.0 µIU/mL

3rd Trimester 0.3 - 3.0 µIU/mL

The ranges above follow 2011 guidelines published by the American Thyroid Association. The ranges have not been validated by the testing lab or the assay manufacturer, but are provided solely as a recommendation.

Clinical Significance

Reference range is specific to prenatal patients. TSH is the test of choice for evaluating thyroid function and/or symptoms of hyper/hypothyroidism.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB2 (Chemistry, Beckman DxI)

Last Updated: June 7, 2023

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.