Do you need to fast for liver function test?

Question

I'm scheduled for a liver function test next week as part of my routine check-up. The clinic's instructions mentioned something about fasting, but I'm not entirely clear. Is it absolutely necessary to fast before going for a liver function test?

Venkatesh Prasad · Accepted Answer

Yes, a 10-12 hour fast is generally recommended for an LFT to keep the baseline enzymes stable. Since I manage diabetes, I schedule the test for 7:30 AM sharp and carry my medicines and a small apple to eat immediately after giving the sample.

Rohan Mehta · Answer

Hey, don't stress too much! Yes, you need to fast overnight, which basically just means no late-night chips and no morning tea till the test is done. Book an early home collection and you'll be eating breakfast in no time!

Shanti Devi · Answer

Yes, fasting overnight is usually advised to let the body rest and show its true state. Stay positive, keep your mind peaceful, and drink a little plain water in the morning if you feel thirsty. Everything will go smoothly.

Priya Sharma · Answer

I totally understand the anxiety of preparing for medical tests, I used to worry about every single detail. Yes, you do need to fast for about 10-12 hours for a liver function test to get accurate results. It is a very routine test, so please don't stress.

K. R. Narayanan · Answer

In my seventy years, I have had many liver function tests done during my annual health checks. An overnight fast of 10 hours is standard practice to avoid any interference from food. It is a simple process, nothing to worry about.

Do you need to fast for liver function test?

5 answers

Consult a gastroenterologist

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