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HomeLab Services GuideTests
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Overview
ข้อมูลทั่วไป Specimen
ข้อมูลสิ่งส่งตรวจ Performance
ข้อมูลการทดสอบ Clinical & Interpretation
ข้อมูลทางคลินิก
 
Test Code (รหัสการทดสอบ):
090-10-0900
Order Name (ชื่อการทดสอบ):
Stool Fat Staining, Semi-quantitative
 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Stool/ Stool container
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to Reported within 1 hours
 
Useful For (ประโยชน์การทดสอบ):
Diagnosing fat malabsorption due to pancreatic or intestinal disorders. Monitoring effectiveness of enzyme supplementation in certain malabsorption disorders.
 
Methodology (วิธีการทดสอบ):
Microscopic examination
 
AliasesName (ชื่อเรียกอื่นๆ) :
Fat, Feces
Random Fecal Fat
Fecal Fat, Quantitative
Fecal Fat, Random Lipids
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0900
Order Name (ชื่อการทดสอบ):
Stool Fat Staining, Semi-quantitative
 
Patient Preparation (การเตรียมตัวผู้ป่วย):
  1.  For 3 days prior to and during the collection period: a. Patient should be on a fat-controlled diet (100-150 g fat per day). b. No laxatives (particularly mineral oil and castor oil). c. No synthetic fat substitutes (eg, Olestra) or fat-blocking nutritional supplements.
  2. The use of diaper rash ointments will falsely elevate test results. Discontinue use during collection period.
  3. Barium interferes with test procedure; a waiting period of 48 hours before stool collection analysis is recommended.
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Stool/ Stool container
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Portion of stool
 
Sub Mission Container (ภาชนะส่งตรวจ):
Stool container
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Stool examination Room temperature, 18oC to 25oC 24 hours
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0900
Order Name (ชื่อการทดสอบ):
Stool Fat Staining, Semi-quantitative
 
Method detail (วิธีการทดสอบ):
Microscopic examination
 
Schedule (ตารางการทดสอบ):
Tested Daily (24 hours)
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to Reported within 1 hours
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Hematology, Laboratory Department Tel. 17254
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
1 day
 
 
 
Test Code (รหัสการทดสอบ):
090-10-0900
Order Name (ชื่อการทดสอบ):
Stool Fat Staining, Semi-quantitative
 
 
Clinical Information (ข้อมูลทางคลินิก):
Total fecal lipids include glycerides, phospholipids, glycolipids, soaps, sterols, cholesteryl esters, and sphingolipids. Excess fecal fat in stool, (steatorrhea) is indicative of malabsorption disorders, such as pancreatic insufficiency or Whipple disease. Therefore, measurement of the fecal fats can be useful in establishing a diagnosis of such pancreatic diseases as cystic fibrosis, chronic pancreatitis, neoplasia, or stone obstruction, and such intestinal diseases as Whipple disease, regional enteritis, tuberculous enteritis, gluten-induced enteropathy (also called celiac disease or sprue), and the atrophy of malnutrition.

Distinguishing free fatty acids from neutral fats, once thought to be helpful in the differential diagnosis of pancreatic disease, has fallen out of favor. Note that the composition of fats in the stool, normally predominately free fatty acids, can change significantly to predominately neutral fatty acids when the patient is on orlistat. This test does not distinguish between free and neutral fatty acids.
 
Reference Value (ค่าอ้างอิง):
Fecal Fat Droplet Total Size Number Product ≤ 200 = No Steatorrhea
 
Clinical Reference (เอกสารอ้างอิง):
http://www.mayomedicallaboratories.com (Retrieved: 22 Jan 2019)