Estimated tax is the method used to pay Social Security and Medicare taxes and income tax, because you do not have an employer withholding these taxes for you. Form 1040-ES, Estimated Tax for Individuals (PDF), is used to figure these taxes. Form 1040-ES contains a worksheet that is similar to Form 1040.
Why It's Done. The main reason doctors order the IGFBP-3 test is for its usefulness as an indicator of whether someone is producing a normal amount of human growth hormone. In this way, the IGFBP-3 test is used to check for pituitary gland disorders and abnormalities in growth hormone production.
1)uantiFERONÂ®-TB Gold In-Tube test Q (QFT-GIT) 2)T-SPOTÂ®.TB test (T-Spot) How does the IGRA work? Blood is collected into special tubes using a needle. The blood is delivered to a laboratory as directed by the . IGRA test instructions. The laboratory runs the test and reports the results to the health care provider. What does a positive IGRA result mean? â¢ Positive IGRA: This means that the person has been infected with TB bacteria. Additional tests are needed to determine if the person has latent TB infection or TB disease. A health care worker will then provide treatment as needed. â¢ Negative IGRA: This means that the personâs blood did not react to the test and that latent TB infection or TB . disease is not likely.