ALPHA-1 ANTITRYPSIN PHENOTYPE

Mnemonic

A1AP

Includes

Alpha-1-Antitrypsin

Specimen Collection Requirements

Collect

Serum, one 4 mL gold (SST) top tube

Handling

Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.3 mL

Transport

Refrigerated

Stability

AFTER SEPARATION FROM CELLS: Ambient: 1 week; Refrigerated: 3 months; Frozen: 3 months (avoid repeated freeze/thaw cycles)

Testing Information

Performed

7 days/week

Reported

3-5 days

Method

Isoelectric Focusing/Immunoturbidimetric

Referral Lab

ARUP (80500)

Reference Values

Reference Values

Interpretation provided.

Comments

Interpret with caution if the patient has been transfused within the previous 21 days.

CPT Codes

82104, 82103

Last Updated: Thursday, January 5, 2017 03:41:56 AM