Lab and/or medical tests (such as blood testosterone level, PSA blood test if using for prostate cancer, blood testosterone/estradiol level, height, bone age if using for early puberty, blood glucose, cholesterol/triglyceride levels) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.

If you have radiology tests (X-rays, MRI), the histrelin implant will not be affected or affect the results of these tests. This implant does not show up on X-ray examination. However, make sure radiology personnel and all your doctors know you use this product.