Alpha-1-Antitrypsin Proteotype S/Z, Serum - LG5435


Sunquest Code:MMMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Synonyms:Alpha 1 Antitrypsin Deficiency
Methodology:Liquid chromatography-Tandem mass spectrometry; Nephelometry; Isoelectric focusing
Test Includes:A1AT proteotype s/Z, LC-MS/MS; Alpha-1-Antitrypsin serum with reflex to Alpha-1-Antitrypsin phenotyping.
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 7-14 days.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel) (Red or gold (gel))
Causes for Rejection:Grossly lipemic specimens.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.5 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Samples are stable for 28 days at room temperature, refrigerated or frozen.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:A1ALC


Interpretive

Reference Range:Alpha-1-Antitrypsin: 100-190 mg/dL Alpha-1-Antitrypsin Proteotype: Negative for S and Z phenotpye (Non S Non Z)
Use:Determining the specific proteotype for prognosis and genetic counseling for patients with alpha-1-antitrypsin deficiency.


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