Extractable Nuclear Antigen antibodies (ENA) – screen

Department

Immunology

Delphic Registration Code

ENA

Synonyms

ENA - screen
Anti-Ro
Anti-La

Turnaround Time

1 week

Test Code

6883

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Preferred if West Coast

• SST II (Gold Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Light Green Cap)
• EDTA (Lavender Cap)

Preferred Sample Volume (ml)

5

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Light Green Cap)
• EDTA (Lavender Cap)

Preferred Sample Volume (ml)

1

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

0.2

Transport to Lab

Ambient (8 - 24 degrees Celsius)

Additional Referral/Aliquot Information

200 uL serum - minimum, 1 mL serum - preferred. Store in fridge

Reference Intervals

– Not detected
– Positive with identification to follow. See Additional Information

Test Method

Counter Current Immunoelectrophoresis

Non-Funded Test Cost

$44.12 (Exclusive of GST)

Billing Code

6883

Additional Costing Information

Counter current immunoelectrophoresis is used to detect antibodies against the following antigens: Ro/SSA, La/SSB, RNP, Sm, Jo-1, ribosomal P, PCNA, Ku, Scl-70, PM-Scl, Mi-2.
All positive samples will be further tested to identify antigen specificity.
If not already requested, samples testing positive by ENA may be reflex tested for ANA to confirm band identity

Contact Information

Enquiry Form