Health Lab

Test Name:

ERYTHROCYTE SEDIMENTATION RATE (ESR)

Test Code:

2180065

Alias:

ESR
LAB547
Sed Rate
Westergren

CPT Code(s):

85652-ESR, automated 85651-ESR, non-automated

Preferred Specimen:

4.0 mL whole blood

Container:

EDTA (lavender)

Minimum Volume:

0.3 mL whole blood
This volume does not allow for repeat testing

Collection Instructions:

Invert tube 5 to 10 times immediately after tube is filled at the time of collection.

Transport Temperature:

Refrigerated

Stability:

Room temperature: 4 hours
Refrigerated: 24 hours

Rejection Criteria:

Hemolysis
Clotted

Additional Information:

CPT 85651 will be billed if volume not sufficient for automated method.

Schedule:

Set up: Daily; Results in 24 hours

Method:

Modified Westergren

Clinical Significance:

The ESR is used to differentiate inflammatory and neoplastic diseases and as an index of disease severity.

Use:

Updated 3/1/22

Reference Range Table

Result	Units	Gender	Age	Range
Sed Rate	mm/hr	Both	0 Year - 13 Year	0-20
Sed Rate	mm/hr	Male	14 Year - 49 Year	0-15
Sed Rate	mm/hr	Female	14 Year - 49 Year	0-20
Sed Rate	mm/hr	Male	50 Year - 999 Year	0-20
Sed Rate	mm/hr	Female	50 Year - 999 Year	0-30

The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.