Rheumatology

DAS28-CRP

Rheumatoid arthritis activity (CRP version).

Education and reference only. Not a substitute for clinical judgement, local policy or product labelling. Always verify before clinical use. Values are calculated in your browser and never stored.

When to use

Use to quantify rheumatoid arthritis disease activity using CRP instead of ESR.

Why use

CRP is often more readily available than ESR and gives a comparable activity measure.

Critical actions

CRP in mg/L. Note DAS28-CRP runs slightly lower than DAS28-ESR; use the same version consistently when tracking a patient.

Evidence & references

  1. Wells G et al. Validation of the DAS28 using CRP. Ann Rheum Dis. 2009.

Related calculators

DAS28-ESRRheumatoid arthritis disease activity.

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