Renal calculation · MC-109
Fractional excretion of sodium / urea
Provide supportive data in AKI evaluation
In development — calculation unavailable
This catalogue entry is not an approved clinical calculator. Its formula, interpretation and licensing have not been signed off. Do not use it to guide patient care.
- Intended population or setting
- Selected patients with AKI
- Important cautions
- Cannot reliably classify all AKI; diuretics, CKD, sepsis and pigment injury alter performance
- Specialities
- Critical Care · Emergency Medicine · Internal Medicine · Nephrology
- Preferred source/version
- FeNa and FeUrea separately
- Review status
- Draft · Source review
View catalogue source ↗Source links are provided for review; they are not necessarily hosted calculators.
When released, this tool will support but not replace professional clinical judgement. Check current local guidance and the original source before use.