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The University of Chicago Medicine Laboratories

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Specimen Collection and Handling

Transfusion

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Mayo Clinic Laboratories

Test Code FLALBC Fluid Albumin

Specimen and Container/Tube

Specimen Type: Fluid

Preferred Specimen: Non-additive/Non-gel plastic containers with tight-fitting leak-proof lids

Other Acceptable specimens: Sterile Plastic Container, Sterile Clean Glass Container

Volume

Preferred Volume: 2.0 mL

Minimum Volume: 1.0 mL

Specimen Stability

Storage Temperature

Stability

Room temperature

2.5 months

Refrigerated

5 months

Frozen

4 months 

Collection Instructions

  • Collect specimen per standard laboratory collection procedures. 
  • No preservatives or additives.

 

Specimen Handling and Transport Instructions

UCMC Onsite Instructions: 

Collect specimen per standard collection procedure and send to laboratory immediately. 

 

UCMC Offsite and UC MedLab Outreach Instructions: 

  • Samples should be collected in sterile container.
  • No preservatives or additives.
  • Samples must be sent in a secondary container able to maintain a Temperature of 2 - 8°C

 

Rejection Criteria

  • Common specimen rejected situations include: incorrect specimen type, insufficient volume, missing or incomplete specimen identifiers, incorrect specimen transport, or specimens outside stability limits. 
  • Specimens that are clotted, viscous or grossly hemolyzed.
  • Specimens that are collected with preservatives or additives.

Reference Values

 

Test

Age

Sex

Reference Range

ALB

All

All

N/A

 

Test method analytical performance not validated for specimen type. No reference range available. The test result must be interpreted in conjunction with the clinical context of the patient. 

Critical Values

Not applicable 

Turnaround Time

Turnaround times are relative to the time the specimen is received in the test laboratory. 

 

STAT Turnaround Time: Not Available as STAT test

Routine Turnaround Time: 4 hours

Testing Schedule:  24/7

Clinical Indications

Differentiate between exudate and transudate.

Test Components

Albumin

Methodology

Colorimetric Assay Spectrophotometric (Roche Diagnostics)

CPT Codes

82042

LOINC Codes

N/A

Synonyms/Keyword Search

FLALB

Additional Information

  • No reference range avaliable. The test results should always be assessed in conjunction with patient's medical history, clinical examination and other findings.
  • Results verified by manual dilutions.

Last Review Date

6/5/2025