TSH

Identifies a pituitary hormone that stimulates thyroid growth and the production of thyroid hormones. The antibody labels thyrotropic cells of the pituitary and is used in the classification of pituitary adenomas and the differential identification of primary and metastatic tumors of the pituitary. It is also used for the differential diagnosis of primary hypothyroidism from secondary hypothyroidism and hyperthyroidism.

Synonyms
Thyroid Stimulating Hormone
Turnaround Time
24 hrs
Methodology
IHC
Specimen Requirements

A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen typeorOne (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 microns) for each test/antibody orderedBlock and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.

Storage and Transportation

Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.

CPT Codes
88342 x 1 or 88341 x 1