Complement Factor H (B1H)
2009416
 
Ordering Recommendation
Follow-up test for complement activity screening when both CH50 and AH 50 are low or absent.
Mnemonic
FACT H
Methodology
Quantitative Radial Immunodiffusion
Performed
Varies
Reported
5-15 days
New York DOH Approval Status
This test is New York DOH approved.
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 Name
2009417Complement Factor H (B1H)
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • B-1H
  • Complement Factor H
  • FH
Performed at National Jewish