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Test Code CRYST Crystals, Body Fluid


Specimen Required


Specimen Type: Body fluid

Container/Tube:

Preferred: Lavender top (EDTA)

Acceptable: Green top (heparin)


Useful For

Assessing the cause of synovial joint disease

Method Name

Microscopy, Polarizing

Reporting Name

Crystals Body Fluid

Specimen Type

Body Fluid

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Body Fluid Refrigerated

Reject Due To

Powdered anticoagulants such as oxalate Reject

Reference Values

Reference range (normal): No crystals seen

 

Crystals seen (abnormal): Positive identification of crystals may provide etiology of joint disease.

Performing Laboratory

MCHS- La Crosse Lab

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

89060

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CRYST Crystals Body Fluid 6825-4

 

Result ID Test Result Name Result LOINC Value
SPT Fluid Type 14725-6
MCRY Crystal ID 6825-4
CRYCT Comment 48767-8

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day