IMMUNOFIXATION URINE

Code
900.2227
Name
IMMUNOFIXATION URINE
Category
None
Department
Send-Out
Start Date
Expiration Date
Synonyms
CPT Codes
86335
Site
SBMF
Reference Test
23064
ATLAS Test Code

Specimen Information

Type

Urine, Random or 24 Hour (No preservative)

Volume

10.0 mL aliquot from well-mixed 24-hour or random collection

Transport Info

Refrigerated

Fasting Required?
False
Patient Instructions

To begin collection of timed specimen, have patient urinate, noting date and exact time
Discard this first portion of urine, but document date and time of voiding on container label and test requisition as "start" of timed specimen
Save all urine voided during designated time period, including portion voided at exact end of time period
IMPORTANT: Refrigerate entire specimen (2-8°C) during and after collection to prevent bacterial growth
Document date and time of final voiding on label and requisition as "end" of timed specimen

Reference Range

A normal sample may show diffused staining of polyclonal immunoglobulins in any or all tracks but will show no monoclonal component.

Methodology

Immunofixation

Clinical Significance

Detection of monoclonal proteins in urine

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