Test Code LAB1234721 Chromatin Antibody, IgG
Performing Laboratory
ARUP Laboratories
Specimen Required
Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Specimen Stability Information
Transport: Refrigerated
Stability after separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year
Reject Due To
Urine or plasma. Contaminated, heat-inactivated, severely hemolyzed, icteric, or lipemic specimens.
Day(s) Performed
Performed: Mon, Wed, Fri
Reported: 1-4 days
Method Name
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
CPT Code Information
83516
Interpretation
The presence of anti-chromatin antibodies may be useful in the diagnosis of systemic lupus erythematosus (SLE) or drug-induced lupus (DIL) and have been reported to be predictive of lupus nephritis, especially when antibody levels are high.
LOINC Code Information
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2005288 | Chromatin Antibody, IgG | 32580-3 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds