Test ID: CH50

Test Name: Classical Complement Pathway, Hemolytic

Test Codes

  • EPIC Code: LAB154
  • Exsera Order Code: CH50
  • CPT Code: 86162

Specimen Requirements

Specimen Type: Serum

Collection Tube: Red or Tiger Top

Collection Instructions:  Allow collected blood to clot for 20-60 minutes before centrifuging. Then transfer to cryogenic tubes and aliquot as necessary before freezing and storing tubes at -80C within 2 hours of collection.

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: 58 - 138 U/mL

ULOQ/ALQ: 200 U/mL

LLOQ/BLQ: 10.72 U/mL

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

Hemolytic (In-house)

Patient Reporting

Standard: 7-14 Days

Aliases

CH50, Classical Complement Pathway Function, Complement Total Function

Additional Notes

Diagnostic samples held for 1 month before disposal of remaining sample