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Test ID FQFKL Kappa and Lambda Free Light Chains (Bence Jones Protein), Quantitative, Urine

Method Name

Qualitative Immunofixation Electrophoresis

 

Quantitative Nephelometry

Reporting Name

Quant Free Kappa/Lambda Light Chains

Specimen Type

Urine


Specimen Required


Specimen Type: Urine

Submission Container/Tube: Two, Plastic 6-mL tube(s) (MML Supply T465)

Specimen Volume: 8 mL (Two, 6 mL tubes)

Collection Instructions:

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

2. Refrigerate specimen during the 24-hour collection.

3. Send specimen refrigerate in 2 plastic, 6-mL urine tube(s), (MML Supply T465)

4. Collection volume and duration are required.


Specimen Minimum Volume

3 mL (2 vials 1.50 mL each)

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 7 days
  Ambient  2 hours

Reference Values

Total Protein:                                        10-140 mg/d

Albumin, Urine:                                      Detected

Alpha-1, Urine:                                      None Detected

Alpha-2, Urine:                                      None Detected

Urine Beta Globulins:                             None Detected

Gamma, Urine:                                      None Detected

Free Urinary Kappa Light Chains:           0.14-2.42 mg/dL

Free Urinary Kappa Excretion/Day:         by report

Free Urinary Lambda Light Chains:         0.02-0.67 mg/dL

Free Urinary Lambda Excretion/Day:      by report

Free Urinary Kappa/Lambda Ratio:         2.04-10.37 (ratio)

IFE Interpretation                                   by report

Day(s) and Time(s) Performed

Monday through Friday

Performing Laboratory

ARUP Laboratories

CPT Code Information

83883/x2 Nephelometry, kappa/lambda

84156/ Total Protein

86335 /Immunofixation electrophoresis; other fluids

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FQFKL Quant Free Kappa/Lambda Light Chains 44792-0

 

Result ID Test Result Name Result LOINC Value
Z2622 Hours Collected 30211-7
Z2623 Total Volume 19153-6
Z2624 Total Protein 2889-4
Z2625 Albumin, Urine 29946-1
Z2626 Alpha-1, Urine 29945-3
Z2627 Alpha-2, Urine 29947-9
Z2628 Urine Beta Globulin 53772-0
Z2629 Gamma, Urine 53773-8
Z2630 Free Urinary Kappa Light Chains 38176-4
Z2631 Free Urinary Kappa Excretion/Day 38177-2
Z2632 Free Urinary Lambda Light Chain 38178-0
Z2633 Free Urinary Lambda Excretion/Day 38169-9
Z2634 Free Urinary Kappa/Lambda Ratio 41759-2
Z2635 IFE Interpretation 13440-3

Urine Preservative Collection Options

Ambient

Yes

Refrigerated

Yes

Frozen

NO

6N HCl

NO

50% Acetic Acid

NO

Na2CO3

NO

Toluene

NO

6N HNO3

NO

Boric Acid

NO

Thymol

NO