Erythrocyte sedimentation rate also know as ESR or Sed-Rate is a test used to evaluate the nonspecific activity of infections, inflammatory states, plasma cell dyscrasias and, autoimmune disorders.
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Erythrocyte Sedimentation Rate, Modified Westergren
Modified Westergren; automated
Sed-Rate, Erythrocyte Sedimentation Rate, ESR, Westergren Sedimentation Rate
Mainstream Diagnostic Laboratory, 5354 Gulf Dr., New Port Richey, FL 34652
2 mL (Note: This volume does not allow for repeat testing.)
Invert tube immediately 8 to 10 times once tube is filled at time of collection.
Lavender-top (EDTA) tube
Refrigerated - 24 hours
Hemolysis; clotted specimen; underfilled tube; specimen older than 24 hours; improper labeling; transfer tubes with whole blood; specimen received in any anticoagulant other than EDTA; specimen diluted or contaminated with IV fluid; patient specimen with presence of cold agglutinins or cryoglobulins; specimen received with plasma removed.
Reference ranges serve as a general guideline. The laboratory report will contain the most current interpretaion.
AMA provides guidance for the refernced CPT codes. We provided them for informational purposes only. CPT coding is the sole responsibility of the billing party. If you have coding questions please refer to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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