Erythrocyte Sedimentation Rate (ESR)
- Synonyms: Sed Rate
- LIS Mnemonic: ESR
Collect
Lavender (EDTA) - Vacutainer tube
Volume Required
2 ml
Minimum Required
1 ml
Transport
Room temperature
Stability
Room Temperature, 4 hours from time of phlebotomy.
Refrigerated, 8 hours from time of phlebotomy.
Unacceptable conditions
1. Inadequately filled specimens,2. specimens > 4 hours old from the time of collection.3. Microtainers are unacceptable for this test - minimum volume of 1 ml must be from a venous draw and placed in a Vacutainer tube.
Days Performed
24 hours/day, 7days/week
Reported
90 Minutes
Reflex Testing
N/A
CPT
85651
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