Fat, Fecal Qualitative
Label Mnemonic: EXFAT
Epic Lab Code: LAB3109
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Random Stool
Collection Medium:
Feces specimen, stool container
Minimum:
Preferred Minimum: 5 g random stool
Absolute Minimum: 1 g random stool
Rejection Criteria:
Diapers. Specimens in media or preservatives.
Delivery Instructions:
Specimen is stable for ONLY 1 hour at room temperature. Specimen is stable 2 weeks refrigerated or frozen.
Turn Around Time:
1-2 days upon receipt at reference laboratory
Reference Range:
Normal
Interpretive Data:
Neutral fats include the monoglycerides, diglycerides, and triglycerides while split fats are the free fatty acids that are liberated from them. Impaired synthesis or secretion of pancreatic enzymes or bile may cause an increase in neutral fats while an increase in split fats suggests impaired absorption of nutrients.
Comments:
Upon collection, sample must be frozen within 1 hour or refrigerated up to 2 weeks.
Methodology:
Qualitative Microscopic/Stain
CPT Code:
82705