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Test Code:
STMIC

Order Name:
Stool Exam & Occult Blood*

 
Useful For:
To determine whether you have a parasite infecting your digestive tract and Occult bleeding can be defined as the presence of blood in stool (not apparent to the patient) that requires chemical testing for detection. The guaiac fecal occult blood test (gFOBT) is a noninvasive colorectal cancer (CRC) screening test performed on normal-appearing stool to detect occult blood originating from the lower gastrointestinal tract. Such bleeding may represent a cancer or adenomatous polyp, and may be the only sign of smoldering disease.
 
Methodology:
Stool examination: Wet preparation and Trichrome staining Occult blood:
  1. Oxidation of phenolic compounds in guaiac and
  2. Rapid chromatographic immunoassay
 
AliasesName:
O and P (Ova and Parasites)
Trichrome Stain Egg Cyst
Parasitic Exam Protozoa Amoeba, Ameba Ova
 
 
 
Test Code:
STMIC

Order Name:
Stool Exam & Occult Blood*

 
Collection Specimen Or Container:
Stool/ Stool container
 
Specimen Testing Type:
Portion of stool
 
Sub Mission Container:
Stool container
 
Specimen Stabillity:
Specimen Type Temperature Time
Stool examination Room temperature, 18oC to 25oC
(for trophozoite stage movement)
30 mins
Room temperature, 18oC to 25oC
(for cyst stage and oval parasites detection)
2 hours
Refrigerated, 2oC to 8oC
(cannot detect Trophozoite for Amoeba)
1 day
 
 
 
Test Code:
STMIC

Order Name:
Stool Exam & Occult Blood*

 
Method detail:
Stool examination: Wet preparation and Trichrome staining Occult blood:
  1. Oxidation of phenolic compounds in guaiac and
  2. Rapid chromatographic immunoassay
 
Schedule:
Tested Daily (24 hours)
 
Turnaround Time:
Collected specimen to report within 2 hours
 
Performing Location:
Hematology, Laboratory Department Tel. 17254
 
Specimen Retention Time:
1 day
 
 
 
Test Code:
STMIC

Order Name:
Stool Exam & Occult Blood*

 
 
Clinical Information:
A variety of parasites can cause infections of the digestive system (gastrointestinal (GI) infections). An ova and parasite (O&P) exam is a microscopic evaluation of a stool sample that is used to look for parasites that may infect the lower digestive tract, causing symptoms such as diarrhea. The parasites and their eggs (ova) are shed from the lower digestive tract into the stool.
 
Reference Value:
  1. Not found for parasite and Oval
  2. No WBC and RBC
 
Clinical Reference:
  1. Manufacturer’s reagent package insert, Coloscreen A Test for Occult blood Helena Laboratories Beaumont, Texas. 2003
  2. http://www.mayomedicallaboratories.com (Retrieved: 22 Jan 2019)