Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

COMPLEMENT C3

ORDERING INFORMATION:
Sunquest Test Code:
C3      Geisinger Epic Procedure Code: 86160.01         Geisinger Epic ID: 14837

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

SPECIMEN PROCESSING
Specimen processing instructions:
Plasma: Centrifuge at 1100-2000 g for a minimum of 10 minutes.
Serum: Allow to clot. Centrifuge at 1100-2000 g for a minimum of 10 minutes. 
Transport temperature:
Refrigerated (preferred). Room temperature or frozen specimen also acceptable.
Specimen stability:
Room temperature: 4 days. Refrigerated: 8 days. Frozen: 8 days.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Reference interval:
90-180 mg/dL.
CPT code(s):
86160
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:
Complement C3.
Methodology:
Immunoturbidity
Synonyms:
C3
Clinical significance:
Decreased C3 may be associated with acute glomerulonephritis, membranoproliferative glomerulonephritis, immune complex disease, active systemic lupus erythematosus, and generalized autoimmune processes.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 11/05/2018

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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*GMC - Geisinger Medical Center; GWV - Geisinger Wyoming Valley Medical Center; GSACH - Geisinger Shamokin Area Community Hospital; GBH - Geisinger Bloomsburg Hospital;
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