Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

IGG

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2518         Geisinger Epic ID: 15027

SPECIMEN COLLECTION
Specimen type:
Plasma or serum
Preferred collection container:
Specimen required:
1 mL of serum or plasma; minimum 0.2 mL.
Patient preparation:
Fasting specimen preferred.

SPECIMEN PROCESSING
Specimen processing instructions:
Serum: Allow serum to clot. Centrifuge to separate serum or plasma. 
Transport temperature:
Refrigerated (preferred). Room temperature or frozen specimen also acceptable.
Specimen stability:
Room temperature: 4 months. Refrigerated: 8 months. Frozen: 8 months.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Reference interval:
< 1 year: 232-1411 mg/dL
1 - < 4 years: 453-1411 mg/dL
4 - < 10 years: 504-1465 mg/dL
10 - <14 years: 698-1560 mg/dL
14 years and up: 700-1600 mg/dL
CPT code(s):
82784
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
IgG quantitation.
Methodology:
Immunoturbidity
Synonyms:
Immunoglobulin G
Clinical significance:
Increased IgG is associated with acute and chronic inflammations, monoclonal IgG myeloma, and automimmune diseases. Decreased IgG is found in selective IgG deficiency, Bruton's disease, and acquired immunodeficiency.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 12/24/2020

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
Frequency: Daily, Monday - Sunday
Performed stat? Yes
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