Islet Cell Autoantibodies Evaluation

Last Modified: 2/13/2019 10:57:46 AM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements:

2.0 mL Serum in a SST Gold Top Tube

Collection Instructions:  
Minimum Volume: 1.0 mL
Transport & Storage: Temperature/Stability: 48 hours Ambient
7 days Refrigerated
2 months Frozen
Reference Range: Islet Cell Autoantibodies CF: < 1:2 Titer

Islet Cell IgG Autoantibodies: < 5 JDF Units 
Critical Ranges:  
Test Comments:  
Methodology: IFA
Clinical Significance: Multiple antibodies are detected in the Islet Cell IgG Autoantibodies assay (ICA), including GAD (Glutamic Acid Decarboxylase) Autoabs. Specialty now standardizes against Juvenile Diabetes Foundation (JDF) reference sera. Endpoint titrations of patient serum are compared to a standard curve ranging from 5 to 80 JDF units (<5 units = normal).
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 4 to 8 days
Days Performed: Monday, Thursday
Sites Performed: Quest - Valencia
PHL Test Code: ISLE
EPIC Test Code: IMO208
Send Out Test Code: 3069
Included Tests: Islet Cell Autoantibodies CF; Islet Cell IgG Autoantibodies
CPT Coding: 86341 x 2

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