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Test Code ESR Erythrocyte Sedimentation Rate (ESR)

Synonyms/Keywords

ESR, Sed Rate, Sedimentation Rate-Erythrocyte

Specimen Requirements

Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No Whole Blood EDTA Lavender Top Tube (LTT) EDTA Pink Top Tube (PTT) 1.0 mL 0.75 mL  

Collection/Processing Instructions

Specimen must be thoroughly mixed at collection and before analysis.

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood Ambient 28 Hours
Refrigerated 48 Hours

Rejection Criteria

Clotted
Frozen

Reference Range Information

Performing Location Reference Range
All Performing Locations 

All genders <1 month:  <2

All genders 1 month to 16 years:  <13

 

Female 16 years to 50 years: <20

Male 16 years to 50 years: <15

 

Female >/= 50 years: <30

Male >/= 50 years: <20

 

 

Marshfield Labs Performing Department

Marshfield Labs Hematology

Performing Information

Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Weston Monday through Sunday Less than 2 hours ALCOR Photometric rheology to measure rouleaux formation
Eau Claire Monday through Sunday Less than 2 hours ALCOR Photometric rheology to measure rouleaux formation
Marshfield Monday through Sunday Less than 2 hours ALCOR Photometric rheology to measure rouleaux formation
Minocqua Monday through Sunday Less than 2 hours ALCOR Photometric rheology to measure rouleaux formation
Rice Lake Monday through Sunday Less than 2 hours ALCOR Photometric rheology to measure rouleaux formation

CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
85652        

Outreach CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
85652        

Ordering Applications

Ordering Application Description
Cerner Sedimentation Rate (ESR)