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Test Code N.ESR SEDIMENTATION RATE (ESR)

Additional Codes

SED

Methodology

Automated Hematology Analyzer

Specimen Requirements

Whole Blood EDTA

Container: Lavender top tube (EDTA)

Specimen Collection: Fill tube to appropriate line; microcontainers must be filled to SECOND mark

  1. Fill tube to appropriate line.
  2. Prefer to receive specimen within 4 hours of collection at room temperature.
  3. Refrigerated specimens (kept at 2-8° C) are acceptable for testing for up to 24 hours. The sample must be allowed to come to room temperature for approximately 15 minutes before testing.

Specimen Transport/Stability

Room Temperature: 4 hours

Refrigerate: 24 hours

Specimen Rejection

  1. Exceeds stability  
  2. Gross hemolysis 
  3. Unlabeled/mislabeled specimen 

Maximum Laboratory Time

24 hours

Reference Ranges

Sed Rate              mm/hr
Female              0 - 20
Male              0 - 15

 

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

85652