Renal function

MDRD 4-variable eGFR

Legacy IDMS-traceable MDRD. CKD-EPI is preferred — use only for legacy lab reports.

eGFRlegacy

Required inputs

  • Age
  • Sex
  • Serum creatinine

Equation or source

Levey AS, Ann Intern Med 1999;130:461 (IDMS update 2006).

Provenance and release status

Equation / algorithm
Legacy IDMS-traceable MDRD. CKD-EPI is preferred — use only for legacy lab reports.
Formula version
mdrd-4v-idms-v1
Tool version
2.4.0
Clinical risk class
B. CLINICAL DECISION-SUPPORT CALCULATOR
Release status
Under clinical review
Source status
Direct primary source identifier not yet resolved
Clinical review status
Under clinical verification
Clinical review date
Clinical review date not yet documented

DOI / PMID / direct guideline identifier not yet documented.

Assumptions

  • Entered values and units are accurate and apply to the population described by the cited source.
  • The published equation or rule is being used without a patient-specific clinical adjustment.

Important limitations

  • The result does not replace clinical assessment or establish a diagnosis.
  • Performance outside the source population may differ.
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