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CPE-003 · Data quality
DQ-003: Input units and specimen quality required
Input units and specimen quality required. Evaluates creatinine unit not normalized when creatinine used.
Condition
- Any of:
- creatinine unit not normalized when creatinine used
- UACR unit not normalized when UACR used
- potassium critical and specimen hemolysis status unknown
What it reports
- Analysis status: data quality warning
- Normalize units before staging
- Expose assay/specimen uncertainty
- For elevated potassium, assess sample hemolysis without delaying urgent review when clinically indicated
Evidence
- R1KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease. Kidney Disease: Improving Global Outcomes (KDIGO), 2024.Supports: CKD definition and chronicity CGA classification albuminuria confirmation risk prediction referral medication stewardship progression monitoring
- 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
Cases where this rule fires
Open a case to see this rule fire with real inputs, then change the values until it stops.
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