Kidney Function — FHIR Questionnaire Template

Creatinine, age, sex and weight with eGFR (CKD-EPI 2021) and creatinine clearance (Cockcroft–Gault).

Scoring

Calculated values only; each result stays empty until all of its inputs are answered.

Questions

1. Age (years)
2. Sex assigned at birth (used by both formulas)
   • Female
   • Male
3. Weight (kg)
4. Serum creatinine (mg/dL)

Calculated results

• eGFR (mL/min/1.73 m², CKD-EPI 2021)
• Creatinine clearance (mL/min, Cockcroft–Gault)

Source and license

Source: Inker et al. 2021, N Engl J Med 385:1737 (race-free CKD-EPI); Cockcroft & Gault 1976, Nephron 16:31. Codes: LOINC.

License: Original wording written for this builder; covered by the project license (non-commercial use with attribution; commercial use needs written permission). Formulas are published methods; see the source. (link)

Provided to save authoring effort, not as medical advice — confirm the scale and its cut-offs for your use case.

Use it

1. Download the FHIR Questionnaire JSON, or
2. open the Builder, choose + Add → From template…, search for “Kidney Function” and insert it. It arrives as one titled group with its calculations wired, and you can keep editing it.

More templates

• Body Measurements
• Cardiac Measurements
• Lipid Panel
• Chemistry Calculations
• FIB-4 Liver Fibrosis Index
• Pregnancy Dating

This material contains content from LOINC (loinc.org). LOINC is copyright © Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the LOINC license.