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
CPT Code:85652
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

Specimen:Blood
Optimal Volume:3 mL
Minimum\Peds Volume:2 mL (0.5 mL collection in microtainer is adequate for testing)
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  (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, Fairview Clinics, M Health Clinic and Surgery Center, Grand Itasca GICH)


Interpretive

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

GICH:
  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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