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HelpTest Code ANAT Antinuclear Antibody Screen
Infectious
Specimen and Container/Tube
Specimen Type: Blood
Preferred Specimen: Red-top tube
Other Acceptable specimens: Gold-top serum separator tube
Volume
Preferred Volume: 4 mL
Minimum Volume: 2 mL
Specimen Stability
|
Storage Temperature |
Stability |
|
Room temperature (20 - 25°C) |
8 hours |
|
Refrigerated (2 - 8°C) |
48 hours |
|
Frozen (-20°C) |
not acceptable |
Collection Instructions
Specimen Collection: Collect blood from venipuncture by aseptic technique.
Specimen Transport: Immediate. If transport is > 2 hours, refrigeration is required.
Specimen Handling and Transport Instructions
UCMC Onsite Instructions: Collect specimen per standard collection procedure and send to laboratory immediately.
UCMC Offsite and UC MedLab Outreach Instructions: Collect specimen per standard collection procedure and send to laboratory immediately.
Rejection Criteria
- Common specimen rejected situations include: incorrect specimen type, insufficient volume, incorrect collection container, missing or incomplete specimen identifiers, incorrect specimen transport, or specimens outside stability limits.
Reference Values
|
Analyte |
Age |
Sex |
Reference Range |
|
Titer |
All |
All |
< 1:40 |
Turnaround Time
Turnaround times are relative to the time the specimen is received in the test laboratory.
STAT Turnaround Time: not available
Routine Turnaround Time: 2 days
Testing Schedule: Monday - Sunday
Clinical Indications
- Evaluation of patients suspected of having systemic autoimmune rheumatic disease (ANA-associated rheumatic diseases or connective tissue disease) or organ-specific autoimmune diseases such as autoimmune liver diseases.
Methodology
Automated indirect immunofluorescence (IFA)
CPT Codes
86255
LOINC Codes
30786255
Synonyms/Keyword Search
ANTINUC AB, ANA, ANTI CENTROMERE AB, ANTI CENTROMERE A, ANA SCREEN
Last Review Date
05/21/2026