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Test Code FCR or LAB213 Body Fluid Crystal Identification

Specimen Requirements

Specimen Type:

Synovial fluid

Container Type:

Optimal: Sterile syringe

Acceptable: Green top 

Optimal Collection Volume:

2 mL

Minimum Volume:

1 mL

Collection Instructions:

  1. Use aseptic aspiration preparation.
  2. Mix by inverting tube several times.
  3. If there is a delay in transport, send specimen refrigerated.
  4. Cause for rejection includes clotted specimen.

Specimen Transport Temperature:

Refrigerated or Ambient

Specimen Stability

Specimen Type

Temperature

Time

Synovial

Refrigerated

48 hours

Specimen Rejection Criteria

  • Quantity not sufficient
  • Clotted

Useful For

Identifying crystals in synovial fluid.

Methodology

Crystal examination performed using microscope.

Reference Ranges

None seen

Day(s) Performed

24/7

Expected TAT

Same day

Performing Laboratory

Bronson Laboratory, Hematology - Kalamazoo

Sample Retention Time

7 days

CPT Code

89060