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Lab Manual for Moffitt-Long and Mount Zion

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Sedimentation Rate

Item Value
Approval req'd? No
Available Stat? Yes
Test code ESR
Performed by Parnassus & Mt. Zion Hematology
In House Availability Test available 24 hours per day 7 days per week
Method Westergren
Container type Lavender top
Amount to Collect 2 mL blood
Sample type EDTA whole blood
Preferred volume 2 mL blood
UCSF Rejection Criteria > 5 hrs at room temperature, >12 hrs at 4°C
Units mm/h
Normal range
Male 0-10 mm/h
Female 0-15 mm/h
Synonyms Sed rate; ESR; Erythrocyte sedimentation rate
Stability Sample stable for 12 hours at 4C, for only 5 hours at room temperature.
Turn around times STAT 1 hour, Routine 4 hours
Additional information The erythrocyte sedimentation rate increases with age; the upper limit is not clearly defined for patients > 60 years old.
LOINC code 4537-7
Last Updated 1/16/2011 2:02:41 PM
Entry Number 847
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