Fecal fat quantification

There are three forms of fat in normal feces, neutral fat, free fatty acids and bound fatty acids. The daily discharge accounts for 10% to 25% of the dryness. It contains 5% to 15% of bound fatty acids, 5% to 13% of free fatty acids, and 1% to 5% of neutral fat. Normal baby's feces are 50% higher than adult fat, and infants are 30% higher. Mainly sexual fat.

Basic Information

Specialist classification: Digestive examination classification: feces / parasitic examination

Applicable gender: whether men and women apply fasting: not fasting

Tips: The specimen should be sent immediately after being taken to avoid damage and decomposition of the ingredients. Normal value

The normal value is <6g/24h.

Clinical significance

Abnormal results:

Increased in chronic pancreatitis (> 10g / 24h).

Need to check the crowd:

This test is required for patients with signs of dyspepsia.

High results may be diseases: digestive system damage precautions for acquired immunodeficiency syndrome

Requirements for inspection:

1. The specimen should be sent immediately after being taken to avoid damage and decomposition of the components.

2. Collect 24h specimens under normal dietary conditions, mix and weigh them, and take 609 feces for inspection.

Preparation before inspection:

1. In the case of non-simple method examination, it is necessary to take a fat diet, 50-150 g per day for 6 consecutive days, and collect the feces within 72 hours from the third day. Mix the collected specimens and weigh them out. Send the test left and right.

Not suitable for people:

Those who cannot make a fat meal should use the simple method.

Inspection process

The fat diet was first dosed, 50-150 g per day for 6 consecutive days. The feces within 72 hours were collected from the third day, and the collected specimens were mixed and weighed, and about 60 g was taken out for examination. If the simple method is used, the 24h specimens can be collected under normal dietary conditions, mixed and weighed, and 60 g of feces are taken out for examination.

Not suitable for the crowd

No taboos.

Adverse reactions and risks

This test itself does not cause complications and harm.