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Test Code FONS Western blot for anti-optic nerve autoantibodies in the serum

Important Note

Complete and submit specimen with OHSU Ocular Immunology Request Form, clinical history and referring doctor name and phone number are required.

Sample only has 7 days stability to reach Mayo Laboratories – referring hospital laboratory should contact NUH Laboratory for feasibility.
Do not collect specimen on Fridays through Sundays, eve of public holidays and public holidays.

Additional Codes

Epic Ordering Code LAB3041938
NBS code LBC11798
Service code 37130

Reporting Name

Anti-optic nerve autoantibodies, WB

Specimen Type

Varies


Specimen Required


Complete and submit with specimen:

-Completed OHSU Ocular Requisition Form

-Clinical history

-Healthcare professional information (name and phone number)

NOTE: Without this information, testing cannot be completed.

 

Submit only 1 of the following specimens:

 

Specimen Type: Serum

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 5 mL Serum

Collection Instructions:

1. Centrifuge and aliquot serum into a plastic vial.

2. Label specimen as serum.

3. Send refrigerated.

 

Specimen Type: Plasma

Collection Container/Tube: Lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen volume: 5 mL Plasma

Collection Instructions:

1. Centrifuge and aliquot plasma into a plastic vial.

2. Label specimen as plasma.

3. Send refrigerated.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit only one of the following:
Preferred: Red Top
Acceptable: Yellow Top
Processing Requirements
Centrifuge and aliquot serum into a Mayo plastic tube.
Specimen type: Serum
Volume: 5 mL
Storage/transport requirements: Refrigerated

Special Instructions

Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Refrigerated 7 days

Reject Due To

Hemolysis Reject

Method Name

Western blot

Day(s) Performed

Batched

Report Available

16 to 35 days
National University Hospital-Singapore Note:

Please note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.

Reference Values

A final report will be provided.

Performing Laboratory

Ocular Immunology Laboratory OHSU

CPT Code Information

84182

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FONS Anti-optic nerve autoantibodies, WB Not Provided

 

Result ID Test Result Name Result LOINC Value
FONS Anti-optic nerve autoantibodies, WB Not Provided

Secondary ID

75448
National University Hospital-Singapore Additional Information:

Last updated 25/08/2026