Erythrocyte Sedimentation Rate

Orderable EAP code:

LAB00234

Billable EAP Codes:

80001821 x 1

CPT Codes:

85652 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours
Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

Units:

mm/hr

Specimen Requirements:

3.0 mL blood in a LAVENDER top tube.

Specimen stability: 4 hours at room temperature, 24 hours refrigerated. Do not freeze.

Pediatric Specimen Requirements:

1.0 mL blood in a 3 mL LAVENDER top tube

Submit all sed rate specimens, even low volume peds specimens, in standard size EDTA tubes. Microtainers are not compatible with instrumentation used to measure sed rate.

Specimen stability: 4 hours at room temperature, 24 hours refrigerated. Do not freeze.

Reference Range:

 Age  Male  Female
 0 days to 50 years  0 to 15 mm/hr  0 to 20 mm/hr
 50 years to 150 years  0 to 20 mm/hr  0 to 30 mm/hr

Comments:

Clotted specimens are unacceptable.

Conditions such as cold agglutinins, anemia (including sickle cell disease), multiple myeloma, hemolysis, icterus or lipemia may affect sedimentation rate results.

Synonyms:

ESR, SED Rate, Westergren ESR