FIB-4 Liver Fibrosis Index — FHIR Questionnaire Template

Age, AST, ALT and platelets with the FIB-4 index and its fibrosis-risk category.

Scoring

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

Questions

1. Age (years)
2. AST (U/L)
3. ALT (U/L)
4. Platelets (×10⁹/L)

Calculated results

• FIB-4 index
• FIB-4 category

Source and license

Source: Shah et al. 2009, Clin Gastroenterol Hepatol 7:1104 (cut-offs 1.3 / 2.67). 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 “FIB-4 Liver Fibrosis Index” and insert it. It arrives as one titled group with its calculations wired, and you can keep editing it.

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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.