Test Code IFES Immunofixation Electrophoresis, serum
Additional Codes
| Epic Ordering Code | LAB174 |
| NBS code | LBC10133 |
| Service code | 31845 |
Specimen Requirements
Submit only one of the following:
| Preferred: | Acceptable: |
| Gold Top | Red Top |
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hours
Specimen type: Serum
Volume: 0.5mL
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 8 hours |
| Refrigerate | 1 week (preferred) |
| Frozen | 1 month |
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others: Plasma specimens (Fibrinogen band can be mistaken for monoclonal band) | Reject |
Methodology
Electrophoresis
Days and Times Performed
Monday through Friday, TAT 7 days
Reference Interval
See laboratory report
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724399
Useful For
Differential diagnosis of monoclonal and polyclonal gammopathies, heavy and light chain paraproteins.
Update
Last updated 02/07/2026
LOINC Code Information
| Immunofixation electrophoresis, serum | 74665-1 |
|---|---|
| Albumin : Globulin ratio | 1759-0 |
| Albumin, serum | 61151-7 |
| Globulin | 10834-0 |
| Total protein, serum | 2885-2 |