SEDIMENTATION RATE

Test Code

LAB322

Quest Code

809

CPT Codes
85652

Preferred Specimen

Whole blood: Full EDTA (lavender-top) tube

Minimum Volume

2 mL

Instructions

Maintain specimen at room temperature. If multiple tests are ordered, please submit a separate tube for this test.

Transport Container

EDTA (lavender-top) tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 24 hours
Refrigerated: 24 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis • Samples >24 hours old • Clotted

Methodology
Modified Westergren

Setup Schedule

Mon-Sat

Report Available

2 days

Limitations

Patients with polycythemia and many hemoglobin abnormalities may have depressed sed rates whereas patients with anemia may have elevated sed rates.

Reference Range

	Male	Female
≤50 Years	≤15 mm/h	≤20 mm/h
>50 Years	≤20 mm/h	≤30 mm/h

Clinical Significance

Useful in differentiating inflammatory and neoplastic diseases and as an index of disease severity. CRP is also useful in monitoring inflammatory disease states.

Performing Laboratory

Quest Diagnostics-Lenexa

10101 Renner Blvd

Lenexa , KS 66219-9752

Last Updated: August 13, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.