Erythrocyte Sedimentation Ratio Auto

Sunquest Code:WESR  
Epic Code:LAB322Epic Name:Erythrocyte Sedimentation Ratio Auto
Synonyms:RBC Sed Rate; Sedimentation Rate, RBC; WESR; ESR; Westergren
Methodology:Automated Ves-Matic System with 20 minute sedimentation (Westergren); ESR Stat Plus analyzer, uses centrifugation and photometric principles
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:Deliver specimen to the laboratory immediately after collection; must be set up within 6 hours of collection.

Collection Instructions

Optimal Volume:3 mL
Minimum\Peds Volume:2 mL (0.5 mL collection in microtainer is adequate for testing)
Container:Purple (EDTA)
Collection Instructions:Immediately mix specimen 10 times by gentle inversion.
Causes for Rejection:Clotted, lipemic or hemolyzed specimen.

Processing and Shipping

Specimen Processing:Do not process.
Shipping Instructions:Ship at room temperature. Must arrive within 6 hours.
Test Performed at or Referral Lab Hematology  (Range, UMMC-East Bank, Lakes, Ridges, Northland, Southdale, UMMC/UMMCH-West Bank, Clinics, M Health Clinic and Surgery Center, Grand Itasca, St. Joseph's, St. John's, Woodwinds)


Reference Range:
  Female Male
Age mm/hour mm/hour
0-15 y 0-15 0-15
16-49 y 0-20 0-15
50 y and older 0-30 0-20

  Female Male
Age mm/hour mm/hour
All ages 1-15 1-10
Use:Monitor therapy in inflammatory diseases, reflects acute phase reactant levels. Screen and follow rheumatoid diseases.

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