Test ID: Bb

Test Name: Complement Bb Level

Test Codes

  • Exsera Order Code: BBQ
  • CPT Code: 86160

Specimen Requirements

Specimen Type: EDTA Plasma

Collection Tube: Lavender top, K2 or K3 EDTA

Collection Instructions:  Store samples on wet ice and centrifuge within 2 hours of draw. Then transfer to cryogenic tubes and aliquot as necessary before storing tubes in the appropriate freezer.

Volume Required: ~200 mcL  

Storage/Transport Temperature: Frozen @ -80C

Stability: 1 year minimum while stored @ -80C from date of draw

Unacceptable Conditions: Severely Hemolyzed or thawed/non-frozen samples 

Ordering Recommendation

Reference Interval

Normal Human: 0.48 - 1.62 mcg/mL

ULOQ/ALQ: 13.7

LLOQ/BLQ: <0.157

Test Classification

This test is a laboratory developed test per the US Food and Drug Administratio's guidelines and is used per manufacturer's instructions and per Exsera's SOPs. Performance characteristics were verified by Exsera in a manner consistent with CAP/CLIA requirements.

Methodology

ELISA or EIA

Patient Reporting

Standard: 7-14 Days

Aliases

Factor B fragment Bb, Bb

Additional Notes

Diagnostic samples held for 1 months before disposal of remaining sample