Comprehensive Iron Status Assessment Checking iron status involves several lab tests, like serum ferritin, iron, total iron-binding capacity (TIBC), and transferrin saturation
Sci Signal (2010) 3(112):re3

Disclosures: Edward Gane: Nothing to Disclose, Tawesak Tanwandee: Roche: Grant/Research Support, MSD: Grant/Research Support, Altimune: Grant/Research Support, Gilead: Grant/Research Support, Vir Biotech: Grant/Research Support, Bitna Yi: Gilead Sciences, Inc.: Employee, Teri Chew: Gilead Sciences, Inc: Employee, Irina Botros: Nothing to Disclose, Danielle Shing: Nothing to Disclose, Heba Abdullah: Nothing to Disclose, Leonard Sowah: GILEAD Sciences, Inc: Employee, Frida Abramov: Gilead Sciences, Inc: Employee, Gilead Sciences, Inc: Stock - publicly traded company, Ben Da: Nothing to Disclose, Audrey Lau: Nothing to Disclose, Anu Osinusi: Nothing to Disclose, Tak Yin Owen Tsang: Nothing to Disclose, Anchalee Avihingsanon: Nothing to Disclose 368 DETECTION AND MONITORING OF INFANT DRUG EXPOSURE: A STUDY ON TFV CONCENTRATION IN TDF AND TAF Chengjing Tao Background: A few studies have observed the Tenofovir (TFV) concentration of Tenofovir Disoproxil Fumara (TDF) and Tenofovir Alafenamide Fumarate (TAF) in the blood, milk, and amniotic fluid of pregnant women, but few have investigated the concentration of TFV in infant blood and urine, which could aid in detecting and monitoring infant drug exposure

Consumption of tea and other natural products created with coca plant leaves produces positive cocaine screen results What To Do If You Have A False-Positive Result If you feel like Allegra-D is responsible for causing a false-positive drug test, see if you can request a confirmation test