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Complement Factor I
2009382
Ordering Recommendation
Follow-up test for complement activity screening when both CH50 and AH 50 are low or absent.
Mnemonic
FACT I
Methodology
Quantitative Radial Immunodiffusion
Performed
Varies
Reported
21-31 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Lavender (EDTA).  
Specimen Preparation
Separate from cells within 30 minutes of collection. Transfer 1 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.25 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Thawed specimens.  
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable: Frozen: 1 year  
Reference Interval
By report
Interpretive Data


Note
CPT Code(s)
86160
Components
Component Test Code*Component Chart NameLOINC
2009383Complement Factor I
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases

Performed at National Jewish