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Test Code NBLD0485 Kappa and Lambda Free Light Chains (Bence Jones Protein), Quantitative, Urine

Additional Codes

Mayo Test Code: FQFKL

Performing Laboratory

ARUP Laboratories

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

4 mL (2 vials 2 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

CPT Code Information

83883/x2

84156

86335

Reject Due To

Hemolysis:

NA

Thawing:

NA

Lipemia:

NA

Icterus:

NA

Other:

NA

Method Name

Qualitative Immunofixation Electrophoresis

 

Quantitative Nephelometry

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