Test Directory

Test Code
CHRAB
Test Name
Chromatin Antibody, IgG
CPT Codes
86235
Expected Turnaround Time
4 - 7 days
Specimen and Container Info

Preferred Specimen Type: Serum

Desired Specimen Volume: 2 mL

Preferred Collection Container: Gold Top, Serum Separator

Processing and Submission Instructions

Separator tubes: Contains clot activator and gel for separating serum from cells, but not anticoagulant. Separate serum from cells as soon as the clot has formed (30 minutes). If specimen is centrifuged before clotting is complete, a fibrin clot will form on top of the cell. This may cause the gel barrier to not be intact and could cause improper separation of serum and cells, possibly affecting test results.

Transport Instructions

Transport refrigerated.

Stability Requirements

Refrigerated

7 days

Frozen

<20°C for long-term storage.

Freeze/Thaw Cycles

Avoid multiple freeze/thaw cycles.

Methodology
Semi-Quantitative Multiplex Bead Assay
Reference Intervals
SexAgeReference IntervalUnit
FemaleAll Age Groups<1.0AI
MaleAll Age Groups<1.0AI

<1.0 AI = Negative

Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, Monday - Friday no holidays