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Test Code LAB4196 CRYSTALS, SYNOVIAL FLUID

Specimen Type

Preferred Specimen: Dark Green Top (Heparin) Tube

Alternate Specimen: Sterile container or Plain Red Top tube (no gel)

Collection Instructions

Immediately place a portion of the synovial fluid in green top tube

Specimen Volume

3 mL

 

Minimum Volume

0.2 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room temperature: 4 hours
Refrigerated: 3 days
Frozen: 2 months

Method

Microscopic/Polarization

Reference Ranges

Crystals None Seen Crystals ID

Test Components

Crystals, Crystal ID

CPT Codes

89060

Rejection Criteria

EDTA Specimens; clotted specimens