Test Code LCTF Lactoferrin, Feces
Shipping Instructions
Preferred shipping temperature is frozen. Refrigerated or thawed specimens received more than 72 hours after collection will be rejected.
Specimen Required
Supplies: Stool container, Small (Random), 4 oz (T288)
Container/Tube: Stool container
Specimen Volume: 5 g
Collection Instructions:
1. Collect a fresh random fecal specimen, no preservatives.
2. If specimen is sent refrigerate, send immediately after collection.
3. If specimen cannot be sent immediately, freeze specimen and send frozen.
Additional Information:
1. Separate specimens must be submitted when multiple tests are ordered, with the exception of ELASF / Pancreatic Elastase, Feces and CALPR / Calprotectin, Feces. If only a single specimen is collected, it must be split prior to transport.
2. Testing cannot be added on to a previously collected specimen.
Specimen Type
FecalSpecimen Minimum Volume
1 g
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Fecal | Frozen (preferred) | 7 days |
| Ambient | 72 hours | |
| Refrigerated | 72 hours |
Reject Due To
| Specimens collected from diapers | Reject |
Reference Values
≤4.4 mcg/g (Normal)
>4.4 mcg/g (Abnormal)
Reference values apply to all ages.
Day(s) Performed
Tuesday
Report Available
3 to 8 daysSpecimen Retention Time
Extracted feces: 7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83631