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Test Code A1AT Alpha-1-Antitrypsin, Serum

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

Alpha-1-Antitrypsin, S

Useful For

Workup of individuals with suspected disorders such as familial chronic obstructive lung disease

 

Diagnosing alpha-1-antitrypsin deficiency

Testing Algorithm

For more information see Alpha-1-Antitrypsin-A Comprehensive Testing Algorithm.


Specimen Required


Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Type

Serum

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Day(s) Performed

Monday through Friday

Reference Values

100-190 mg/dL

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Method Name

Nephelometry

CPT Code Information

82103

LOINC Code Information

Test ID Test Order Name Order LOINC Value
AAT Alpha-1-Antitrypsin, S 6771-0

 

Result ID Test Result Name Result LOINC Value
AAT Alpha-1-Antitrypsin, S 6771-0

Report Available

1 to 3 days