- Test Name
- Anti Chromatin Antibody
- Aliases
- ACA
- Provincial Mnemonic
- LOINC Test Code
- Description and Primary Use
- Investigation and diagnosis of SLE (Sensitivity >50%, Specificity ~95%), especially drug-induced lupus.
- Reorder interval
- 90 Days
- TAT
- 7 Days
- Test Cost
- Not Available
- Tier
- 3 - Special Authorization Required (See Required Consultation)
- Ordering Requirements (Restrictions / Conditions)
Usually required positive ANA findings. Use ANA (Antinuclear antibody screen) for screening for connective tissue disease. Anti-dsDNA Antibody plus others reflex tested on all positive screens.
- Required Consultations
- Contact the Scientific Director of the routine chemistry laboratory at (709-777-6738), or Biochemist-on-Call at (709-697-2306)
- Algorithms and Guidelines
None
- Special Patient Preparation
None
- Special Collection / Transport / Processing Requirements
No special requirement
- Criteria for Rejection
Please consult specimen stability guide
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Category 4 Laboratory (HSC only)
- Last Updated
- 26-Aug-19