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Test ID FIFLC Immunofixation with Free Light Chains, Quantitative, Urine


Specimen Required


Specimen Type: Urine

Submission Container/Tube: Two 4-mL plastic aliquot tube(s)

Specimen Volume: 8 mL (Two 4-mL plastic aliquot tube(s))

Collection Instructions:

1. Collect urine for 24 hours (NO preservative).

2. Refrigerate specimen during the 24-hour collection.

3. Send specimen refrigerate in Two 4-mL plastic aliquot tube(s)

4. Collection volume and duration are required


Secondary ID

75678

Method Name

Qualitative Immunofixation Electrophoresis/Quantitative Immunoturbidimetry

Reporting Name

Immunofix Free Light Chains, U

Specimen Type

Urine

Specimen Minimum Volume

4 mL (2 vials 2 mL each)

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 21 days
  Frozen  180 days

Reference Values

Total Protein

Less than 150 mg/d

Free Urinary Kappa Light Chains

0.00-32.90 mg/L

Free Urinary Kappa Excretion/Day

By report

Free Urinary Lambda Light Chain

0.00-3.79 mg/L

Free Urinary Lambda Excretion/Day

By report

IFE Interpretation

By report

Day(s) Performed

Monday through Sunday

Report Available

1 to 9 days

Performing Laboratory

ARUP Laboratories

CPT Code Information

84156

86335

83520 x 2

NY State Approved

Yes