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Test ID: TLCU    
Immunoglobulin Total Light Chains, Urine

Specimen Type Describes the specimen type needed for testing

Urine

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

If serum is being submitted on the same patient for FLCP / Immunoglobulin Free Light Chains, Serum; order that test under a different order.

 

Forms: If not ordering electronically, submit a General Request Form (Supply T239) with the specimen.

 

Submit only 1 of the following specimens:

 

Specimen Type: Random urine

Container/Tube: Plastic, 10-mL urine tube (Supply T068)

Specimen Volume: 1 mL

Collection Instructions: Collect a random urine specimen.

 

Specimen Type: 24-Hour urine

Container/Tube: Plastic, 10-mL urine tube (Supply T068)

Specimen Volume: 1 mL

Collection Instructions: Collect urine for 24 hours.

 

Urine Preservative Collection Options

Ambient

Yes <72 Hours

Refrigerated

Preferred

Frozen

Yes

6N HCl

No

50% Acetic Acid

No

Na2CO3

No

Toluene

No

6N HNO3

No

Boric Acid

No

Thymol

No

 

Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

NA

 

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.

Specimen TypeTemperatureTime
UrineRefrigerated (preferred)7 days
 Frozen 20 days
 Ambient 72 hours