Sedimentation Rate
Mnemonic: LAB3549
CPT Code: 85651 Manual, 85652 Auto
Synonym
ESR; Sed Rate; Erythrocyte Sedimentation Rate
Order Alias 2
SED
Specimen Type
Whole blood
Specimen Container
Lavender top tube (EDTA)
Specimen Handling
Test should be performed within 12 hours of collection. If sample is over 12 hours but under 24 hours and has been refrigerated, sample will be tested with a comment attached that results may be falsely low due to the age of the specimen.
Temperature
Store and transport refrigerated.
Methodology
Westergren - Manual; Photometric Aggregation - Auto
Volume
5 mL
Minimum Volume
1.0 mL Manual, 0.5 Auto
Schedule
Daily
Additional Information
Auto ESR available at SJMC
Stability
Room Temperature: 4 hours; Refrigerated: 12 hours manual sed rate, 24 hours auto sed rate
Test Includes
Sed Rate
Turn Around Time
24 hours
Place of Service
CHI Franciscan
Department
Hematology
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