Test ID FIFLC Immunofixation with Free Light Chains, Quantitative, Urine
Specimen Required
Container/Tube: Two plastic aliquot tubes
Specimen Volume: 8 mL in 2 plastic aliquot tubes, each containing 4 mL
Collection Instructions:
1. Collect urine for 24 hours (No preservative).
2. Refrigerate specimen during the 24-hour collection.
3. Mix the collection and then aliquot urine (4 mL per aliquot) into two plastic aliquot tubes
4. Collection volume and duration are required.
5. Send refrigerated.
Method Name
Qualitative Immunofixation Electrophoresis/Quantitative Immunoturbidimetry
Reporting Name
Immunofix Free Light Chains, USpecimen Type
UrineSpecimen Minimum Volume
4 mL total, 2 vials each containing 2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 21 days |
| Frozen | 180 days |
Reference Values
Total Protein: <150 mg/d
Free Urinary Kappa Light Chains: 0.00-32.90 mg/L
Free Urinary Kappa Excretion/Day: Refer to report
Free Urinary Lambda Light Chain: 0.00-3.79 mg/L
Free Urinary Lambda Excretion/Day: Refer to report
IFE Interpretation: By report
Performing Laboratory
ARUP LaboratoriesCPT Code Information
84156
86335
83521 x 2
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FIFLC | Immunofix Free Light Chains, U | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z5897 | Hours Collected | 30211-7 |
| Z5898 | Total Volume | 19153-6 |
| Z5899 | Total Protein | 2889-4 |
| Z5901 | Free Urinary Kappa Light Chains | 38176-4 |
| Z5912 | Free Urinary Kappa Excretion/Day | 38177-2 |
| Z5913 | Free Urinary Lambda Light Chain | 38178-0 |
| Z5914 | Free Urinary Lambda Excretion/Day | 38169-9 |
| Z5900 | IFE Interpretation | 49277-7 |
NY State Approved
YesDay(s) Performed
Monday through Sunday