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
Fridge: 24 hours
Specimen Rejection
1. Clotted specimens
2. Hemolyzed specimens
3. Exceed stability requirements
4. Drawn above an IV.
5. Underfilled tube
6. Unlabeled 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