Nitrogen, Total 48, 72, or 96 Hours, Fecal
0092493
Ordering Recommendation
Submit With Order
Mnemonic
NITRO FEC
Methodology
Quantitative Dumas Combustion
Performed
Varies
Reported
3-10 days
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Boric acid and barium interfere with test procedure.  
Collect
48, 72, or 96 hour stool collection.  
Specimen Preparation
Transport entire 48, 72, or 96 hour stool collection. (Min: 10 g)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
 
Remarks
Length of collection period is required.  
Stability
1 week; Refrigerated: 1 week; Frozen: 3 years  
Reference Interval
By report
Interpretive Data
Note
CPT Code(s)
84999
Components
Component Test Code*Component Chart Name
0092490Nitrogen, Total, Fecal - Duration
0092491Nitrogen, Total, Fecal - Total Weight
0092492Nitrogen, Total, Fecal
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • Nitrogen Balance
Performed at Mayo