Sign in →

Test Code FDAIP Diabetes Autoimmune Profile

Important Note

Send specimen on ice immediately to lab after collection.
NUH Outreach Laboratories : Send frozen serum to NUH lab
 
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 LAB305376
NBS code LBC13480
Service code 37218

Reporting Name

Diabetes Autoimmune Profile

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/tube: Plastic vial

Specimen Volume: 2.5 mL

Collection Instructions:

1. Within 24 hours of collection, centrifuge and aliquot 2.5 mL of serum into a plastic vial.

2. Freeze within 24 hours and send frozen.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit only one of the following:
Preferred: Yellow Top
Acceptable: Red Top
Send specimen on ice immediately to lab after collection.
Processing Requirements
Centrifuge and aliquot serum into a Mayo plastic tube. Freeze immediately.
Specimen type: Serum
Volume: 2.5 mL
Storage/transport requirements: Frozen

Specimen Minimum Volume

1 mL (Note: This volume does not allow for repeat testing)

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen 7 days

Reject Due To

Gross hemolysis   Reject
Thawing   Cold OK; Warm reject
Lipemia   Reject
EDTA plasma   Reject

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA), Radioimmunoprecipitation

Day(s) Performed

Varies

Report Available

10 to 19 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

Insulin Antibodies

<5.0 uU/mL: Negative

≥5.0 uU/mL: Positive

 

Anti GAD 65 Antibodies

<5.0 U/mL: Negative

≥5.0 U/mL: Positive

 

IA-2 Autoantibodies

<7.5 U/mL: Negative

≥7.5 U/mL: Positive

 

ZNT8 Antibodies

<15 U/mL: Negative

≥15 U/mL: Positive

Reference ranges apply to all ages.

Performing Laboratory

Esoterix Endocrinology

Useful For

Diabetes autoantibodies assessment is helpful in identifying and managing patients at risk for development of type 1 diabetes.

CPT Code Information

86337

86341x3

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FDAIP Diabetes Autoimmune Profile Not Provided

 

Result ID Test Result Name Result LOINC Value
Z6377 Insulin Antibodies 8072-1
Z6378 Anti GAD 65 Antibodies 56540-8
Z6387 IA-2 Autoantibodies 31209-0
Z6388 ZNT8 Antibodies 76651-9
Z6389 Type 1 Diabetes Interpretation 8251-1

Secondary ID

75937

Test Classification

Insulin Antibodies: This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
National University Hospital-Singapore Additional Information:

Last updated 17/07/2026