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HelpTest Code ACAM Anti-Cardiolipin Antibody, IgM
Additional Codes
| Epic Ordering Code | LAB1736 |
| NBS code | LBC13341 |
| Service code | 12161 |
Specimen Requirements
Submit the following:
| Preferred: |
| Red Top Tube |
|
|
Processing Requirements
Specimen Type: Serum
Container/Tube: Red Top
Volume: 5.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 8 hours |
| Refrigerate | 2 days (preferred) |
| Frozen | 14 days |
Specimen Condition
| Haemolysis | Gross reject |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Gross reject |
| Others | Not applicable |
Methodology
Chemiluminescent Immunoassay (CLIA)
Days and Times Performed
Tuesday and Friday, TAT 12 days
Reference Interval
| Negative |
≤ 20 U/mL |
|---|---|
| Positive |
> 20 U/mL |
Testing Laboratory
National University Hospital
Haematology, 67725320
Useful For
Investigation of acquired thrombotic tendency and in autoimmune disorders,
e.g. Antiphospholipid syndrome, systemic lupus erythematosus.
Update
Last updated 23/02/2026
LOINC Code Information
3182-3
Alias
ACA IgM
Anticardiolipin Antibodies
Antiphopholipid Antibodies