Share to
  • Email
  • Facebook
  • X
  • Bluesky
  • Instagram
  • LinkedIn
Share to
  • Email
  • Facebook
  • X
  • Bluesky
  • Instagram
  • LinkedIn
Back to Test Catalogue
Test ID: A1ATC

Alpha-1-Antitrypsin Clearance, Feces and Serum

Test Overview

Method

Nephelometry

Result Included

Clearance; α-1-Antitrypsin Faecal; α-1-Antitrypsin Serum

Aliases/Synonyms

A1AT; A1-AT

Specimen

Specimen Type

Feces + Serum

Volume

Sample Volume

Serum: 1 mL!Feces: Entire collection

Minimum Volume

Serum: 0.5 mL!Feces: 1 mL homogenized

Specimen Comment

Both feces and serum are required.

Collection & Handling

Collection Instructions

Obtain stool collection kit from ICL. Blood must be drawn during the fecal collection period.

Handling Information

Feces and serum must be submitted together. Store and send frozen.

Additional Information

Obtain fecal collection kit from ICL and submit entire 24-hour collection. If no specimen is obtained in 24 hours, extend collection to 48 to 72 hours. Document collection period (duration) on container. Provide collection period (duration).

Stability

Ambient Refrigerated Frozen
14 days 14 days 14 days

Rejection Criteria

Criteria Specification
Other Use of any preservative/fixative

Performance & Interpretation

Turnaround Time

5 days

Results

Name
Units
Reference Range
Conversion
  1. Clearance
    mL/24 h
    ≤27
  2. Fecal A1AT
    mg/dL
    ≤54
  3. Serum A1AT
    mg/dL
    100 - 190

Referral Location

Out-of-Country

Test Version

Last Updated

2019-09-30