Open Nursing Core FHIR Implementation Guide (ONC-IG) - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Questionnaire: Waterlow Score Capture Form
| Official URL: https://opennursingcoreig.com/Questionnaire/onc-waterlow-questionnaire | Version: 1.0.0 | |||
| Draft as of 2026-07-11 | Computable Name: ONCWaterlowQuestionnaire | |||
SDC questionnaire for the Waterlow pressure-ulcer risk assessment total score, with a mandatory Monk Skin Tone item (equity fairness gate embedded at the capture layer). The total extracts to an Observation using the ONC Waterlow code; linking the skin-tone Observation via hasMember[skinTone] is the capturing app's responsibility.
Structure
| LinkID | Text | Cardinality | Type | Description & Constraints |
|---|---|---|---|---|
  ONCWaterlowQuestionnaire | SDC questionnaire for the Waterlow pressure-ulcer risk assessment total score, with a mandatory Monk Skin Tone item (equity fairness gate embedded at the capture layer). The total extracts to an Observation using the ONC Waterlow code; linking the skin-tone Observation via hasMember[skinTone] is the capturing app's responsibility. | Questionnaire | https://opennursingcoreig.com/Questionnaire/onc-waterlow-questionnaire#1.0.0 | |
  waterlow-total | Waterlow total score (sum of all risk-factor items on the Waterlow chart) | 1..1 | integer | Value Set: |
 waterlow-factors | Contributing risk factors (build/weight, skin type, continence, mobility, appetite, special risks) | 0..1 | text | Value Set: |
 waterlow-skintone | Monk Skin Tone Scale rating (required — equity fairness gate: pressure-area assessment is incomplete without the patient's skin tone) | 1..1 | choice | Value Set: Options: 10 options |
  waterlow-banding | Risk banding: ≥10 at risk · ≥15 high risk · ≥20 very high risk. On darker skin tones do not rely on redness/blanching alone — assess for localised heat, oedema, induration and pain. | 0..1 | display | Value Set: |
| Documentation for this format | ||||
Options Sets
Answer options for waterlow-skintone
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#A ("Light Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#B ("Light-Medium Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#C ("Medium Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#D ("Medium-Dark Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#E ("Dark Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#F ("Deep Dark Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#G ("Very Dark Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#H ("Deepest Dark Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#I ("Ultra Dark Skin")
- https://opennursingcoreig.com/CodeSystem/onc-monk-scale#J ("Black Skin")