Alpha-1 Antitrypsin

CPT: 82103
Liver

What This Test Measures

Liver protein protecting tissues from enzymes; deficiency causes emphysema and liver disease.

Preparation

No fasting required
No fasting required. Avoid strenuous exercise 24–48 hours before — ALT and AST can be elevated by muscle breakdown after exercise.

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

Phenotyping/genotyping needed to confirm deficiency (Pi*ZZ most severe)

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

J44.1Chronic obstructive pulmonary disease with acute exacerbation
K74.60Unspecified cirrhosis of liver

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Lab Codes

Proprietary codes used by each lab for this test.

ARUP Laboratories
0050010(order_code)
LabCorp
006841(order_code)
Quest Diagnostics
235(order_code)

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For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.