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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.


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

Reporting Name

Lactoferrin, F

Specimen Type

Fecal

Specimen 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

Thursday

Report Available

3 to 8 days

Specimen Retention Time

Extracted feces: 7 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83631

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LCTF Lactoferrin, F In Process

 

Result ID Test Result Name Result LOINC Value
LCTF Lactoferrin, F In Process