Laboratory Services

Crystal Analysis, Synovial Fluid

Print this page

Updated Test Information:

Test Description
Crystal Analysis, Synovial Fluid
Synonym(s)

Gout, psuedogout, MSU, monosodium urate, crystals, crystal analysis, synovial, synovial fluid, CPPD, calcium pyrophosphate dihydrate, uric acid, tophus

Test ID
SYNCRY
General Information

Identifying the presence and type of crystals in synovial fluid

Container Type

EDTA (lavender) or sodium heparin (green) tube

Specimen Type

Synovial Fluid

Specimen Requirements

2mL EDTA (lavender), sodium heparin (green) tube, or 100% alcohol

Specimen Collection / Processing Instructions

Aspirate synovial fluid from affected joint and transfer to EDTA, sodium heparin, or 100% alcohol. Transport to laboratory ASAP. Label container with patient name and second identifier. Indicate specimen source.

Minimum Sample Volume

1mL

Stability

Refrigerated: 48 hours
Room temperature: Unacceptable
Frozen: Unacceptable

Unacceptable Specimen Conditions

Improper labeling, quantity not sufficient for analysis, specimen received frozen, specimen more than 48 hours old, specimen received room temperature, specimen collected in improper container, clotted specimen

Department (code)

Hematology

Methodology

Compensated Polarized Light Microscopy

Estimated TAT

0-2 days

Testing Schedule

Monday - Saturday

CPT Code(s)

89060

Reference Range

Absent

Performing Lab

Incyte Diagnostics

LOINC Code(s)

34557-9