Factor H (B1H) Level

Test Code

11262

CPT Codes
86160

Preferred Specimen

1 mL plasma collected in an EDTA (lavender-top) tube

Minimum Volume

0.25 mL

Other Acceptable Specimens

Pediatric volume: 0.25 mL

Instructions

Centrifuge at room temp within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and immediately freeze the cell-free plasma on dry ice or at -70°C.

Ship specimen frozen on dry ice. Do not thaw. Specimens should arrive Monday through Thursday only.

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen -20°C: Indefinitely
Frozen -70°C: 1 year

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Thawed specimen

Methodology
Radial Immunodiffusion (RID)

FDA Status
This assay is used for clinical purposes and was developed, and its performance characteristics determined, by Advanced Diagnostic Laboratories at National Jewish Health. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA-88) as qualified to perform high complexity clinical laboratory testing.

Setup Schedule

Set up: Varies; Report available: 4-6 weeks

Reference Range

160-412 mcg/mL

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.