Complement Factor H Level (B1H)


Sunquest Code:FHL  
Epic Code:LAB6285Epic Name:Complement Factor H Level
Synonyms:Factor H Level
Methodology:Radial immunodiffusion (RID)
CPT Code:----------CPTCODES HERE----------
Turnaround Time:Specimens are sent to reference laboratory Mon-Thur; results are reported within 4 weeks.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Causes for Rejection:Thawed specimens. Samples stored at -20°C.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot plasma within 30 minutes of collection, 1 mL, 0.25 mL minimum. Store on dry ice or at -70°C.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (National Jewish Health)
Referral Lab number:FHL


Interpretive

Reference Range:160-412 mcg/mL
Use:Follow-up test for complement activity screening when both CH50 and AH50 are low or absent.


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