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Test Code LAB5301 Polarized Crystal Exam

Performing Laboratory

Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Ashland Community Hospital

Specimen Minimum Volume

1.0 ml

Billing Code

2010551

Methodology

Microscopic exam using polarizor and compensator

Specimen Requirements

Synovial fluid or other body fluid in:

Lavender top tube   Preferred    

Required volume 1.0 ml

 

Also acceptable:

Lithium Heparin Green top tube

Plain Red top tube

Avoid submitting swabs, since recovery of crystals tends to be poor

Performing Department

Hematology

Day(s) Test Set Up

Monday through Sunday

Routine - same day

ASAP - 2 hours after receipt of specimen in lab

STAT - 1 hour after receipt of specimen in lab

Test Classification and CPT Coding

89060  -  Crystal identification by light microscopy with or without polarizing lens analysis, tissue or any body fluid

Additional Information

Rule out diagnosis of crystal-induced arthritis

Specimen Transport Temperature and Stability

Stable 24 hours if refrigerated at 2° to 8° C

Reasons for Rejection

Quantity not sufficient (QNS)

Lacking Two Patient Identifiers:

         1-Patient's First & Last name 

         2-Patient's Date of Birth