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Test Code LAB3927 Crystal Identification, Bile or Synovial Fluid

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Compensated Polarized Light Microscopy

Literature References:

1. Kjeldsberg C, Knight J. Body Fluids. 3rd ed. Chicago, IL: ASCP, 1996:262-80.
2. Galagan K. Color atlas of body fluids: an illustrated field guide based on proficiency testing. Northfield, IL: College of American Pathologists (CAP), 2006.

Specimen Requirements

Specimen must arrive within 1 hour of collection.

 

Submit only 1 of the following specimens:

 

Specimen Type: Bile fluid
Container/Tube: Plain red top. See Body Fluid Collection Guidlines under Special Instructions
Specimen Volume: 2 mL

Additional Information: Label specimen appropriately (bile fluid).

 

Specimen Type: Synovial fluid

Container/Tube: Lavender-top (EDTA)-Do not use tube with powdered EDTA. See Body Fluid Collection Guidlines under Special Instructions

Specimen Volume: 2 mL
Collection Instructions: Do not send specimen in syringe.

Additional Information: Label specimen appropriately (synovial fluid).

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: 90 minutes from receipt in the laboratory

Routine: results available the day of testing

Test Classification and CPT Coding

89060

Reference Values

Crystals not normally present

Literature Reference:

Kjeldsberg C, Knight J. Body Fluids. 3rd ed. Chicago, IL: ASCP, 1993:273-7;311-3.

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only
Analyte Stability:

Specimen must be received in the laboratory within 1 hour of collection.

Laboratory Processing Instructions:
Test performed in BJH Core Lab.

Special Instructions

LOINC Code Information

Name LOINC Code
Crystal Identification 5781-0