Alternative Name
Thyroid Stimulating Hormone
Methodology
Immunohistochemistry (IHC)
Test Description
Thyroid Stimulating Hormone (TSH) is a pituitary hormone of 28 kDa that stimulates thyroid growth and production of thyroid hormones. This antibody labels thyrotropic cells of the pituitary and may be useful in the classification of pituitary adenomas and the differential identification of primary and metastatic tumors of the pituitary.
Specimen Requirements
- A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type
or - One (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 ordered
- Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Storage & Transportation
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.
CPT Code(s)*
88342 x 1 or 88341 x 1
Turnaround Time
24 hours
Level of Service
Stain Only
New York Approved
Yes
Notes
Global prognostic interpretation is available (TAT is 48 hours)