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CPE-003 · Data quality
DQ-004: eGFR calculation assay provenance
eGFR calculation assay provenance. Evaluates serum creatinine mg dl present.
Condition
- All of:
- serum creatinine mg dl present
- creatinine assay idms traceable != true
What it reports
- Warning: eGFR computed with unknown/non-confirmed standardized assay; interpret with assay provenance visible.
Evidence
- R3eGFR Equations for Adults: 2021 CKD-EPI creatinine and creatinine-cystatin C race-free equations. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) / NIH, 2026.Supports: eGFRcr computation eGFRcr-cys computation assay standardization adult eligibility
- R4NKF/ASN recommendations implementing race-free CKD-EPI equations. National Kidney Foundation / American Society of Nephrology, 2021.Supports: race-free eGFR policy US laboratory alignment
Cases where this rule fires
Open a case to see this rule fire with real inputs, then change the values until it stops.
CKD-FX-001
Persistent moderately increased albuminuria with preserved GFR
Persistent moderately increased albuminuria with preserved GFR
CKD-FX-002
Persistent severely increased albuminuria with mildly decreased GFR
Persistent severely increased albuminuria with mildly decreased GFR
CKD-FX-003
Single reduced eGFR without chronicity
Single reduced eGFR without chronicity
CKD-FX-004
Acute creatinine rise before CKD staging
Acute creatinine rise before CKD staging
CKD-FX-005
Isolated suspected G3a requiring cystatin C confirmation support
Isolated suspected G3a requiring cystatin C confirmation support
CKD-FX-006
Combined eGFR reclassification support
Combined eGFR reclassification support
CKD-FX-007
Confirmed CKD G3bA3 with diabetes
Confirmed CKD G3bA3 with diabetes
CKD-FX-008
Active glomerular disease red flag
Active glomerular disease red flag
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