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
- Fill tube to appropriate line.
- Prefer to receive specimen within 4 hours of collection at room temperature.
- 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
- Exceeds stability
- Gross hemolysis
- 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