Open Nursing Core FHIR Implementation Guide (ONC-IG)
1.0.0 - release

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

Artifacts Summary

This page provides a list of the FHIR artifacts defined as part of this implementation guide.

Knowledge Artifacts: Plan Definitions

These define workflows, rules, strategies, or protocols as part of content in this implementation guide.

NEWS2 Escalation Protocol

Knowledge Artifacts: Libraries

These define logic, asset collections and other libraries as part of content in this implementation guide.

ONC NEWS2 Auto-Calculation Logic

Logic library for calculating National Early Warning Score 2 (NEWS2) from FHIR Observations.

Structures: Logical Models

These define data models that represent the domain covered by this implementation guide in more business-friendly terms than the underlying FHIR resources.

Relational Care Logical Model

A vendor-neutral clinical model of the relational nursing assessment. Defines WHAT data must be captured, regardless of HOW it is stored in FHIR.

Structures: Resource Profiles

These define constraints on FHIR resources for systems conforming to this implementation guide.

4AT Delirium Assessment

Rapid clinical test for delirium (4AT) comprising Alertness, AMT4, Attention, and Acute Change/Fluctuating Course. A total score of 4 or more suggests possible delirium.

ACVPU Consciousness Level

ACVPU consciousness level assessment for NEWS2 (Alert, Confusion, Voice, Pain, Unresponsive)

Abbey Pain Scale

Pain assessment for people with dementia or who cannot verbalise. Assesses 6 parameters: Vocalization, Facial Expression, Body Language, Behavioral Change, Physiological Change, Physical Changes. Total score determines pain severity (0-2 No pain, 3-7 Mild, 8-13 Moderate, 14+ Severe).

Barthel Index

Barthel Index for measuring independence in activities of daily living (ADL). Score 0-20=total dependency, 91-99=slight dependency, 100=independent. Total range 0-100.

Bladder Assessment

Detailed assessment of bladder function, including voiding patterns.

Blood Pressure

Blood pressure observation for NEWS2 (systolic BP used for scoring)

Body Temperature

Body temperature observation for NEWS2

Bowel Assessment

Detailed assessment of bowel function and regularity.

Braden Scale Assessment

A profile for the Braden Scale pressure ulcer risk assessment

Bristol Stool Chart

Assessment of stool form using the Bristol Stool Chart (Types 1-7). Gold standard for bowel function assessment.

Catheter Care

Documentation of catheter site care and status.

Clinical Frailty Scale (CFS)

Assessment of frailty using the Rockwood Clinical Frailty Scale (1-9). Essential for older adults to determine baseline functional status.

Continence Assessment

Assessment of bladder and bowel control status.

Device Use Statement

Documentation of mobility aids or other devices used by the patient.

Dietary Requirements

Documentation of specific dietary needs (e.g. textural modification, cultural).

Dressing and Undressing Assessment

Assessment of assistance required for dressing and undressing, as per PRSB Personal Hygiene section.

Fluid Balance

Assessment of fluid intake, output, and balance. Critical for renal function, hydration status, and heart failure monitoring.

Glasgow Coma Scale

Glasgow Coma Scale (GCS) for assessing level of consciousness. Total score 3-15 with three required components: Eye (1-4), Verbal (1-5), Motor (1-6).

Heart Rate

Heart rate (pulse) observation for NEWS2

Inspired Oxygen

Inspired oxygen observation for NEWS2 (air vs supplemental oxygen)

MUST Score (Malnutrition Universal Screening Tool)

Malnutrition Universal Screening Tool for identifying adults at risk of malnutrition. Score 0=low risk, 1=medium risk, 2+=high risk. NHS-standard nutritional screening.

Medication Management Ability

Assessment of the patient's ability to manage their own medication.

Medication Self-Administration Observation

Observation of the patient performing self-administration.

Mental Capacity Assessment

Records the outcome of a Mental Capacity Assessment for a specific decision. Fundamental legal safeguard in UK nursing practice.

Mini Mental State Examination (MMSE)

Mini Mental State Examination for cognitive function screening. Score 24-30=no impairment, 18-23=mild, 0-17=severe. Total range 0-30.

Mobility Assessment

Assessment of capability to move and limitations.

Monk Skin Tone Observation

Observation of patient skin tone using the Monk Skin Tone Scale (10-point scale A-J). Provides more granular skin tone assessment than Fitzpatrick scale, particularly for darker skin tones. Supports equitable care and accurate clinical assessment across diverse populations.

Morse Fall Scale

Morse Fall Scale for assessing fall risk. Score 0-24=no risk, 25-50=low risk, ≥51=high risk. Total range 0-125.

NEWS2 Score

National Early Warning Score 2 (NEWS2) for detecting clinical deterioration. Fully aligned with NHS CareConnect-NEWS2-Observation-1.

NEWS2 Sub-Score

Individual parameter sub-score for NEWS2 (0-3 for most parameters). References the related vital sign observation.

Nursing Problem

Nursing diagnosis or problem identified during assessment. Represents clinical judgments about individual, family, or community responses to actual or potential health problems. Part of the ADPIE framework's Diagnosis phase.

ONC Goal Evaluation

Explicit evaluation of whether a nursing goal was achieved, closing the ADPIE loop.

ONC NHS Patient

A patient profile for use in NHS nursing contexts with ethnic category extension.

ONC Nursing Clinical Impression

Nurse's synthesis of patient progress against care plan, aggregating multiple goal evaluations.

ONC Nursing Goal

Patient-centered goal with mandatory evaluation requirements. Serves as the 'spine' of the CarePlan, linking problems to outcomes.

ONC Nursing Intervention

Nursing intervention performed to achieve patient goals. Part of ADPIE Implementation phase.

ONC Nursing Need

A structured representation of a nursing care need as defined by the PRSB standard. Maps to the 'Needs' section of the information model.

ONC Nursing Strength

A structured representation of a patient's strength or capability. Explicitly required by PRSB to move away from deficit-based models.

Open Nursing Core Assessment

Base profile for nursing assessment observations conforming to UK Core standards. Captures structured nursing assessment data as part of the ADPIE (Assessment, Diagnosis, Planning, Implementation, Evaluation) nursing process framework. Used as parent for specialized assessments like NEWS2, Braden Scale, and clinical observations.

Oral Care Needs Assessment

Assessment of mouth care needs and oral health.

Oral Health Assessment

Assessment of oral cavity health. Critical for prevention of pneumonia in frail elderly and maintaining nutrition/hydration.

Oral Intake Assessment

Assessment of ability to take food and fluids orally.

Oxygen Saturation

Oxygen saturation (SpO2) observation for NEWS2

PBS ABC Chart

Antecedent-Behaviour-Consequence (ABC) Chart for recording behaviours of concern. Fundamental tool in Positive Behaviour Support (PBS) for Learning Disabilities.

Pain Assessment (NRS 0-10)

Pain severity assessment using the Numeric Rating Scale (0-10)

Patient Story

A narrative summary of the patient's background, biography, preferences, and personhood. Goes beyond clinical history to capture 'who the person is'.

Personal Hygiene Needs Assessment

Assessment of assistance required for personal hygiene.

Reasonable Adjustment

Captures specific strict requirements for care adjustments under the Equality Act (e.g., 'Needs BSL Interpreter', 'Cannot use stairs', 'Requires large print').

Relational Engagement Score

Assessment of the quality and depth of the nurse-patient relationship or engagement level. Supports the relational aspect of care.

Respiration Rate

Respiration rate observation for NEWS2

Seizure Record

Record of a specific seizure event, including type, duration, triggers, and recovery phases. Essential for epilepsy management and identifying patterns.

Skin Integrity Assessment

Detailed assessment of skin condition (e.g., intact, dry, broken), separate from pressure ulcer risk.

Skin Tone Observation

Observation of patient skin tone using the Fitzpatrick skin type classification. Supports equitable care by enabling skin tone-aware clinical decision making, particularly for conditions that present differently across skin tones (e.g., pressure ulcers, cyanosis).

Sleep Pattern

Observation of sleep quality, duration, and disturbances. Sleep pattern disturbance is a key indicator for delirium and general wellbeing.

Swallowing Assessment

Screening for dysphagia and swallowing difficulties.

Urinalysis

Point-of-care urine dipstick test results. Used to screen for urinary tract infection (UTI), diabetes (glucose/ketones), and kidney health.

Waterlow Score

Waterlow Pressure Ulcer Risk Assessment - NHS standard tool. Score ≥10 indicates at risk, ≥15 high risk, ≥20 very high risk.

What Matters to Me

Captures the patient's specific, personal priorities and non-clinical goals (e.g., 'I want to walk my daughter down the aisle'). Fundamental to person-centred care.

Wound Assessment

Comprehensive wound assessment including staging and dimensions

qSOFA (Quick SOFA)

Quick Sequential Organ Failure Assessment for sepsis screening. Score ≥2 indicates high risk. Total range 0-3.

Structures: Extension Definitions

These define constraints on FHIR data types for systems conforming to this implementation guide.

Intervention Goal Reference

Extension to link nursing interventions to the patient goals they are intended to achieve.

ONC Equity Marker

A technical extension applied to observations that have passed the Mandatory Equity Gate (i.e., they are skin-tone aware).

Observation Goal Reference

Extension to link goal evaluation observations to the patient goals being evaluated.

UK Core Ethnic Category

An extension to record the ethnic category of a patient, as per UK Core standards.

Terminology: Value Sets

These define sets of codes used by systems conforming to this implementation guide.

4AT AMT4 Value Set

Scoring options for AMT4 (Age, DOB, Place, Year)

4AT Acute Change Value Set

Scoring for Acute Change or Fluctuating Course

4AT Alertness Value Set

Scoring options for 4AT Alertness

4AT Attention Value Set

Scoring for Months Backwards test

ACVPU Value Set

ACVPU consciousness level codes

ADPIE Nursing Process Phases

The five phases of the professional nursing process.

Clinical Frailty Scale Value Set

Codes for Rockwood Clinical Frailty Scale (1-9)

Goal Evaluation Value Set

Value set for evaluating patient goal outcomes

Goal Target Measure ValueSet

Codes used for goal target measures

Housing Status Value Set

Value set for patient housing status

Inspired Oxygen Value Set

Codes for inspired oxygen status

Mental Capacity Finding Value Set

Codes indicating presence or absence of capacity

Monk Skin Tone Scale ValueSet
NEWS2 Code Value Set

LOINC and SNOMED codes for NEWS2

NEWS2 Score Categories Value Set

NEWS2 total score categories.

NEWS2 Sub-Score Codes

SNOMED codes for NEWS2 sub-scores

Nursing Intervention Value Set

Value set for nursing interventions

Nursing Problem Value Set

Value set for nursing problems and diagnoses

Nursing Prognosis ValueSet

Prognosis codes for clinical impression

ONC Empathy & Relational Engagement Index

A clinical scale measuring the depth of therapeutic empathy in nurse-patient interactions. Traditional EHRs ignore this; the Super-Gold Standard makes it a primary outcome.

ONC Relational Care Outcomes

Captures the measurable outcomes of relational and empathic nursing care.

PBS Behaviour Function ValueSet

Common functions of behaviour (SEAT)

Pain Assessment Code Value Set

LOINC codes for pain severity assessment

Pain Score Value Set

Standard 0-10 or Abbey Pain Scale score

Problem Category Value Set

Value set for categorizing nursing problems

Skin Tone Value Set

Monk and Fitzpatrick scales for equitable skin assessment.

Wound Stage Value Set

Terminology: Code Systems

These define new code systems used by systems conforming to this implementation guide.

Monk Skin Tone Scale CodeSystem
ONC Observation Codes

Custom observation codes for Open Nursing Core

Problem Type CodeSystem

Code system for categorizing types of nursing problems

Terminology: Concept Maps

These define transformations to convert between codes by systems conforming with this implementation guide.

Mapping ONC Relational Concepts to NANDA-I

Maps Open Nursing Core clinical findings to NANDA-I Nursing Diagnoses.

Example: Example Instances

These are example instances that show what data produced and consumed by systems conforming with this implementation guide might look like.

Example Dressing Assessment

Demonstration of the ONCDressingAssessment profile.

Example Nursing Need: Dressing Difficulty

Demonstration of the ONCNursingNeed profile.

Example Nursing Strength: Motivation

Demonstration of the ONCNursingStrength profile.

Example Skin Assessment

Demonstration of the ONCSkinAssessment profile for general skin integrity.

example-4at-delirium
example-abbey-pain
example-abc-chart
example-acvpu
example-bladder-assessment
example-blood-pressure
example-bowel-assessment
example-bristol-stool
example-catheter-care
example-clinical-frailty
example-continence-assessment
example-dietary-requirements
example-fluid-balance
example-goal-evaluation
example-heart-rate
example-hygiene-assessment
example-inspired-oxygen
example-medication-ability
example-medication-self-admin
example-mental-capacity
example-mobility-assessment
example-monk-skin-tone
example-must-score
example-news2-score
example-nursing-intervention
example-nursing-problem
example-oral-care-assessment
example-oral-health
example-oral-intake
example-oxygen-saturation
example-patient-goal

Patient will remain free from falls.

example-patient-story
example-reasonable-adjustment
example-respiration-rate
example-seizure-record
example-swallowing-assessment
example-temperature
example-urinalysis
example-waterlow-score
example-what-matters
observation-braden-scale
observation-skin-tone
patient-example-jane
practitioner-example