Labels:text | screenshot | black | black and white | monochrome | document OCR: econdary to TSH is usually low in hypothyroidism reted and normally pituitary disease, but in some patients, a glycosylated and poorly active TSH is se ven measured by RIA with levels up to 8 or indicative 10mu/1. Values above 5mu/l are usually overt of some degree of thyroid failure, and in in the primary hypothyroidism, values may be ITSH range of 10-100mu/l or higher. A norma provided value excludes primary hypothyroidism act. that the hypothalamusary axis is in