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Test Code A1ATM Alpha-1-Antitrypsin, Serum

Additional Codes

Mayo Test ID
AAT

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.

Method Name

Nephelometry

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

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 Stability Information

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

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Reference Values

100-190 mg/dL

Day(s) Performed

Monday through Friday

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

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.

Report Available

1 to 3 days