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Test ID 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.


Secondary ID

623285

Useful For

Evaluating patients suspected of having a gastrointestinal inflammatory process

 

Distinguishing inflammatory bowel disease from irritable bowel syndrome, when used in conjunction with other diagnostic modalities, including endoscopy, histology, and imaging

Specimen Type

Fecal

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

Wednesday

Report Available

3 to 8 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83631

Testing Algorithm

For information see Inflammatory Bowel Disease Diagnostic Testing Algorithm.

Forms

If not ordering electronically, complete, print, and send Gastroenterology and Hepatology Test Request (T728) with the specimen.