Yale New Haven Hospital

Department of Laboratory Medicine
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Immunoglobulin A

Lab Section: 

Immunology

 

Lab Location: 

Main Lab

Test ID: 

LAB73

 

Methodology: 

Turbidimetry

Schedule: 

Monday-Friday

Reported: 

2 days

Specimen Requirements: 

Collection: 5.0 mL Blood in a Gold Top Tube
Pediatric volume: 1.0 mL
Unacceptable conditions: Grossly hemolyzed specimens
Stability: After separation from cells: Ambient 48 Hours; Refrigerated: 7 days; Frozen: 3 months

 

Notes: 

Clinical Indications: Measurements of IgA aid in the diagnosis of abnormal protein metabolism and the bodies lack of ability to resist infectious agents.

Reference Interval: 

0-30 days:  Not established
1-6 months: 1-83 mg/dL

6 months-2 years: 8-105 mg/dL
2-10 years: 14-234 mg/dL
>10 years: 68-408 mg/dL

CPT Code(s): 

82784

Last Changed: 

07/25/2017 11:25:08

Last Reviewed: 

08/14/2017 15:00:00