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HelpTest Code ENA Anti-extractable Nuclear Antigen Identification
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0mL / 6.0mL blood
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Serum |
|---|---|
| Ambient: | 2 days |
| Refrigerate: | 2 weeks |
| Frozen: | 1 year |
Reference Interval
No antibodies detected: <1.0
Weak positive: 1.0 –< 2.0
Positive: 2.0 –<5.0
Strong positive ≥5.0"
Days and Times Performed
Wednesday, TAT 2-8 days
Methodology
Enzyme Immunoassay
Service Code
0032143
Update
last updated 26/02/2022
Unacceptable Condition
| Haemolysis: | NA |
|---|---|
| Icterus: | NA |
| Lipaemic: | NA |
| Others: | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Identifies presence or absence of anti-extractable nuclear antigens
Alias
ENAP, Anti-ENA (Antibodies to Extractable Nuclear Antigens)