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Pathology and Laboratory Medicine
Test Catalogue

​Anti-Centromere Antibodies


Clinical Microbiology

Specimen Requirements​ ​

  • ​Serum
  • Body Fluid (Cerebrospinal, Pericardial, Peritoneal, Pleural, Synovial)

Whole Blood

  • ​Preferred Collection Container: Red
  • Alternative Collection Container: Tiger (gel)

Body Fluid

​Required Volume

​Whole Blood

  • Optimal Volume: 4.0 mL
  • Pediatric Volume: 3.0 mL
  • Minimum Volume: 2.0 mL
    (Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection)

Body Fluid

  • Optimal Volume: 1.0 mL (spun)
  • Minimum Volume: 0.5 mL (spun)

Serum (For Laboratory Use Only)

  • Minimum Volume: 0.5 mL


Body Fluid

  • Stable at room temperature for 1 hour
  • Greater than 1 hour, refrigerate at 2°C to 8°C prior to transport


  • ​Serum must be removed from cells or gel within 4 hours of collection
  • Stable up to 7 days at 2°C to 8°C
Grounds for Rejection​

Testing Information​ ​

Testing Site​
  • ​Immunodiagnostics Laboratory, RUH
Results Reporting​
  • 4 days
  • ​Indirect Immunofluorescence (IFA)
​Specimen Retention
  • ​1 month
​Alternate Test Names
  • ​Centromere Antibodies
  • Anti-Centromere Antibodies (ACA)
SHR LIS Test Code​
  • ​ACA (For Laboratory Use Only)

Test Ordering Requirements​ ​

​Forms Required


​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-466 v1

Last Modified: Tuesday, February 2, 2016 |
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