Feces Analysis – Laboratory Test Ranges | Reference

Feces Analysis – Laboratory Test Ranges | Reference

Lab Value
Amount per day 100-250 г
Consistency
  • shaped stool
  • (soft or tight)
Shape cylindrical
Color brown
Reaction neutral or slightly alkaline

Chemical composition

Nitrogen 0,25-2,0 g
Potassium 7-12 mEq
Calcium 400-900 mg
Bilirubin absent
Coproporphyrin 200-300 μg
Water 48-200 ml
Sodium 1-5 mEq
Mucus and blood absent
Fat 2,5-10 g
Pronein absent
Sterkobilina 40-280 mg

Feces microscopy

Muscle fibers
  • missing or are found
  • some undigested fiber
  • lost striations
Connective tissue absent
Neutral fat absent
Fatty acids absent
Soaps negligible quantity

Vegetable fibers

• digestible
  • single cells
  • or cell groups
• indigestible negligible quantity
Starch

amylum
absent
Iodophilic flora absent
Mucus and epithelium absent
Leukocytes solitary