Joint Fluid Exam


     
Order Code:LAB1006Order Name:Joint Fluid Exam
Synonyms:Crystal Examination; Cell Count with Differential Fluid; BFLD; CRYST
Methodology:Cell count, differential, and microscopic examination using polarized light.
CPT Codes: 89060 x1, 89060 x1, 89050 x1, 89050 x1, 89051 x1, 89051 x1
Test Includes:Joint Fluid Exam, LAB1006 includes: 1) Crystal ID Synovial Fluid - LAB8095 CRYST; and 2) Cell Count with Differential Fluid - LAB210 BFLD
Turnaround Time:Performed and reported 24 hours//day.


Collection Instructions

Specimen:Synovial Fluid
Optimal Volume:3 mL
Minimum\Peds Volume:Laboratory will accept 1 mL or less if unable to obtain. Labeled; capped syringe is acceptable when volume is very small.
Container:Plastic leakproof container, sterile
Alternate Containers: Purple (EDTA)
Collection Instructions:Deliver to laboratory immediately.
Causes for Rejection:Specimen collected in lithium heparin or gel tubes.


Processing and Shipping

Specimen Processing:Store at refrigerated temperature.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Hematology  (CSC Maple Grove, Grand Itasca, Range, Southdale, St. John's, UMMC East Bank, Woodwinds)


Interpretive

Reference Range:Crystal Analysis: No clinically significant crystals seen.
Cell Count and Differential: No reference ranges have been established. This result should be interpreted in the context of the patient's clinical condition and compared to simultaneous measurement in the patient's blood.
Use:Aids in the diagnosis of crystal-induced arthritis and evaluation of cell counts on synovial fluid.


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