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Test Code A1ATFM Alpha-1-Antitrypsin, Random, Feces

Additional Codes

 

MAYO Test ID
A1ATFM
EPIC Test ID
LAB558

 

Reporting Name

Alpha-1-Antitrypsin, Random, F

Useful For

Diagnosing protein-losing enteropathies, especially when used in conjunction with serum alpha-1-antitrypsin (A1A) levels as a part of A1A clearance studies

Method Name

Nephelometry

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Fecal


Advisory Information


The preferred test for diagnosing protein-losing enteropathies is CA1A / Alpha-1-Antitrypsin Clearance, Feces and Serum.



Specimen Required


Supplies: Stool container, Small (Random), 4 oz (T288); Stool Collection Kit, Random (T635)

Container/Tube: Stool container (T288)

Specimen Volume: 5 g

Collection Instructions: Collect a random stool specimen.


Specimen Minimum Volume

Homogenized Stool: 1 mL

Specimen Stability Information

Specimen Type Temperature Time
Fecal Frozen (preferred) 14 days
  Ambient  14 days
  Refrigerated  14 days

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

≤54 mg/dL

Day(s) and Time(s) Performed

Monday through Saturday; Continuously until 2 p.m.

CPT Code Information

82103

LOINC Code Information

Test ID Test Order Name Order LOINC Value
A1AF Alpha-1-Antitrypsin, Random, F In Process

 

Result ID Test Result Name Result LOINC Value
AAT_F Alpha-1-Antitrypsin, Random, F 9407-8

Analytic Time

1 day

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Forms

If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request Form (T728) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/gastroenterology-and-hepatology-test-request.pdf)