**Note: All laboratory testing requires an authorizing physician. DHA Laboratory offers a patient direct program that partners you with an authorizing physician. If you have any additional questions regarding the availability of testing, please contact our laboratory by telephone or email.**
IGF stands for Insulin-like Growth Factor. This test can be used as a follow up to other hormone tests. It is important that this test be used along with other clinical and laboratory data to help the practitioner in the assessment of growth disorders.