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Fecal analysis
Medical expert of the article
Last reviewed: 05.07.2025
General clinical examination (analysis) of feces - coprogram - is an important addition to the diagnosis of diseases of the digestive organs and the assessment of the results of their treatment. Coprogram includes the study of physicochemical properties and microscopic examination.
Reference values (norm) of coprogram
Indicators |
Characteristics |
Quantity |
100-200 g per bowel movement |
Consistency |
Dense, decorated |
Color |
Brown |
Smell |
Fecal, not sharp |
Reaction |
Neutral |
Bilirubin |
Absent |
Stercobilin |
Present |
Soluble protein |
Absent |
Microscopic characteristics |
|
Muscle fibers |
Small amount or none |
Neutral fat |
Absent |
Fatty acids |
None |
Soaps |
In small quantities |
Digestible fiber |
Absent |
Starch |
Absent |
Leukocytes |
None |
Erythrocytes |
None |
Any crystals |
None |
Iodophilic flora |
Absent |
Entamoeba coli (intestinal amoeba) |
May be present |
Endolimax nana (dwarf amoeba) |
May be present |
Chilomastix mesnill (lives in the large intestine) |
May be present |
Jodamoeba butschlii |
May be present |
Blastocystis hominis (non-pathogenic sporozoan) |
May be present |
The protozoa listed in the table are non-pathogenic for humans. The carriage rate of Entamoeba coli among the healthy population is 20-30%, Endolimax nana - 15-20%, Chilomastix mesnill - 6-10%, Jodamoeba butschlii - 10-15%.
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