ESR (Sed Rate, Westergren)

CPT: 85652
Inflammation

What This Test Measures

Non-specific inflammation marker; slower responding than CRP; used in GCA, PMR, and autoimmune monitoring.

Preparation

No fasting required
No special prep. Recent infection, pregnancy, and anemia affect results. Draw before starting anti-inflammatory medications for baseline.

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

Slower to rise and fall than CRP; age and sex affect normal values

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

M06.9Rheumatoid arthritis, unspecified
M32.9Systemic lupus erythematosus, unspecified
R53.83Other fatigue

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Lab Codes

Proprietary codes used by each lab for this test.

ARUP Laboratories
0040325(order_code)
LabCorp
005215(order_code)
Mayo Clinic Labs
SEDRT(order_code)
NYU Langone Health
LAB322(order_code)
Quest Diagnostics
809(order_code)
Stanford Health Care
ESRP(order_code)

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Related Tests

ESR (Erythrocyte Sedimentation Rate)

CPT: 85652

hs-CRP (High Sensitivity CRP)

CPT: 86141

CRP, Standard

CPT: 86140

hs-CRP (High Sensitivity) - Inflammation

CPT: 86141

CRP, Quantitative

CPT: 86140

C-Reactive Protein (CRP)

CPT: 86140

For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.