Extractable Nuclear Antigen antibodies (ENA) – identification

Department

Immunology

Delphic Registration Code

ENA

Synonyms

ENA - identification

Turnaround Time

1 week

Test Code

8642

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (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 (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 for specific antigens. See Additional Information.

Test Method

Counterimmunoelectrophoresis (CIE)

Non-Funded Test Cost

$78.24 (Exclusive of GST)

Billing Code

6842

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, Ku , PCNA, Scl-70, PM-Scl, Mi-2.
Identification is performed on positive screens only.
If not already requested, samples testing positive by ENA may be reflex tested for ANA to confirm band identity.

Contact Information

Enquiry Form