You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Figlu test is done for and explain in detail?
(B) (Folic acid deficiency) (285- Harshmohan 7th)A. Test for Folate deficiency - forminoglutamic acid (FIGLU) urinary excretion1. Urinary excretion of FIGLU2. Serum folate assay3. Red cell folate assayNormal range of serum folate is 6-18 ng/ml (value 4 or Less is diagnostic)B Test for vitamin B12 deficiency1. Serum vitamin B12 assay2. Shilling test" (Radio-isotop absorption test)3. Serum enzyme levelsC Thiamine deficiency - transketolase levels in blood