# WIA-MENTAL-HEALTH: Phase 4 - Integration Specification
**Version:** 1.0
**Status:** Official
**Philosophy:** 弘益人間 (Benefit All Humanity)

## 1. Overview

This document specifies the integration patterns for connecting WIA-MENTAL-HEALTH implementations with healthcare ecosystems, research platforms, and daily life applications.

## 2. Healthcare System Integration

### 2.1 Electronic Health Record (EHR) Integration

#### 2.1.1 FHIR R4 Resource Mapping

```json
{
  "fhir_mapping": {
    "mental_health_assessment": {
      "fhir_resource": "Observation",
      "profile": "http://wia.org/fhir/StructureDefinition/MentalHealthObservation",
      "codes": {
        "depression_score": {
          "system": "http://loinc.org",
          "code": "44261-6",
          "display": "PHQ-9 total score"
        },
        "anxiety_score": {
          "system": "http://loinc.org",
          "code": "70274-6",
          "display": "GAD-7 total score"
        },
        "ptsd_score": {
          "system": "http://loinc.org",
          "code": "71549-8",
          "display": "PCL-5 total score"
        }
      }
    },
    "treatment_plan": {
      "fhir_resource": "CarePlan",
      "profile": "http://wia.org/fhir/StructureDefinition/MentalHealthCarePlan",
      "category": {
        "system": "http://snomed.info/sct",
        "code": "385763009",
        "display": "Mental health care plan"
      }
    },
    "therapy_session": {
      "fhir_resource": "Encounter",
      "profile": "http://wia.org/fhir/StructureDefinition/TherapyEncounter",
      "type": {
        "system": "http://snomed.info/sct",
        "code": "165171009",
        "display": "Psychotherapy"
      }
    },
    "medication": {
      "fhir_resource": "MedicationRequest",
      "profile": "http://wia.org/fhir/StructureDefinition/PsychotropicMedication"
    }
  }
}
```

#### 2.1.2 EHR Integration Architecture

```
┌─────────────────────────────────────────────────────────────┐
│                    Healthcare Facility                       │
├─────────────────────────────────────────────────────────────┤
│                                                             │
│  ┌─────────────┐     ┌─────────────┐     ┌─────────────┐   │
│  │    EHR      │────▶│   FHIR      │────▶│   WIA       │   │
│  │   System    │◀────│   Gateway   │◀────│  Mental     │   │
│  │             │     │             │     │  Health     │   │
│  └─────────────┘     └─────────────┘     │   Hub       │   │
│                                          └─────────────┘   │
│                             │                    │          │
│                             ▼                    ▼          │
│                      ┌─────────────┐     ┌─────────────┐   │
│                      │  Identity   │     │  Digital    │   │
│                      │  Provider   │     │  Therapeutics│  │
│                      │  (OAuth)    │     │  Apps       │   │
│                      └─────────────┘     └─────────────┘   │
│                                                             │
└─────────────────────────────────────────────────────────────┘
```

#### 2.1.3 Supported EHR Systems

| EHR System | Integration Method | Status |
|------------|-------------------|--------|
| Epic | FHIR R4 + App Orchard | Certified |
| Cerner (Oracle Health) | FHIR R4 + Millennium | Certified |
| Allscripts | FHIR R4 | In Progress |
| athenahealth | FHIR R4 | Certified |
| MEDITECH | FHIR R4 | In Progress |
| NextGen | FHIR R4 | Planned |

### 2.2 Telehealth Platform Integration

#### 2.2.1 Session Integration Protocol

```json
{
  "telehealth_integration": {
    "supported_platforms": ["Zoom for Healthcare", "Doxy.me", "Teladoc", "Amwell"],
    "integration_points": {
      "pre_session": {
        "auto_assessment": true,
        "waiting_room_activities": ["breathing_exercise", "mood_check"],
        "provider_dashboard_update": true
      },
      "during_session": {
        "real_time_vitals": "if wearable connected",
        "session_timer": true,
        "note_templates": true,
        "risk_alert_overlay": true
      },
      "post_session": {
        "auto_documentation": true,
        "homework_assignment": true,
        "follow_up_scheduling": true,
        "patient_feedback": true
      }
    },
    "api_endpoints": {
      "session_start": "POST /telehealth/sessions/start",
      "session_end": "POST /telehealth/sessions/end",
      "session_metrics": "GET /telehealth/sessions/{id}/metrics"
    }
  }
}
```

### 2.3 Emergency Services Integration

#### 2.3.1 Crisis Alert Protocol

```json
{
  "emergency_integration": {
    "911_integration": {
      "method": "Enhanced 911 API (where available)",
      "data_shared": {
        "location": "GPS coordinates",
        "patient_id": "EMS-compatible identifier",
        "crisis_type": "suicide_risk|psychosis|overdose",
        "risk_level": "high|imminent",
        "safety_plan": "summary",
        "medications": "current_list"
      },
      "consent_requirement": "pre-authorized in treatment consent"
    },
    "988_integration": {
      "method": "988 Lifeline API",
      "warm_handoff": true,
      "context_sharing": {
        "recent_assessments": true,
        "safety_plan": true,
        "provider_contact": true
      }
    },
    "mobile_crisis_teams": {
      "dispatch_api": "regional_integration",
      "eta_tracking": true,
      "outcome_reporting": true
    }
  }
}
```

## 3. Research Platform Integration

### 3.1 Clinical Trial Data Integration

#### 3.1.1 CDISC Standards Mapping

```json
{
  "cdisc_mapping": {
    "sdtm_domains": {
      "QS": {
        "description": "Questionnaires",
        "wia_mapping": "mental_health_index assessments",
        "variables": ["QSTESTCD", "QSTEST", "QSORRES", "QSSTRESC"]
      },
      "LB": {
        "description": "Laboratory Test Results",
        "wia_mapping": "biomarkers",
        "variables": ["LBTESTCD", "LBTEST", "LBORRES", "LBORRESU"]
      },
      "EX": {
        "description": "Exposure",
        "wia_mapping": "treatment_sessions (psychedelic)",
        "variables": ["EXTRT", "EXDOSE", "EXDOSU", "EXROUTE"]
      },
      "AE": {
        "description": "Adverse Events",
        "wia_mapping": "session.adverse_events",
        "variables": ["AETERM", "AESEV", "AESER", "AEREL"]
      }
    },
    "adam_datasets": {
      "ADQS": "Analysis dataset for questionnaire scores",
      "ADLB": "Analysis dataset for laboratory data",
      "ADEFF": "Analysis dataset for efficacy"
    }
  }
}
```

#### 3.1.2 Data Export Protocol

```json
{
  "research_export": {
    "formats": ["CSV", "SAS", "R", "JSON", "Parquet"],
    "de_identification": {
      "method": "HIPAA Safe Harbor + Expert Determination",
      "fields_removed": [
        "name", "dob", "ssn", "address", "phone", "email",
        "mrn", "device_ids", "ip_addresses", "face_images"
      ],
      "fields_generalized": {
        "age": "5-year bins for 85+",
        "zip_code": "first 3 digits only",
        "dates": "shifted by random offset per subject"
      },
      "k_anonymity": "minimum k=5",
      "differential_privacy": "optional (epsilon configurable)"
    },
    "consent_verification": "required before export",
    "irb_approval_check": "required for research exports"
  }
}
```

### 3.2 Biobank Integration

```json
{
  "biobank_integration": {
    "sample_tracking": {
      "biomarker_samples": {
        "blood": ["cortisol", "inflammatory_markers", "genetics"],
        "saliva": ["cortisol_awakening_response"],
        "stool": ["microbiome_analysis"],
        "csf": ["neurotransmitters (research only)"]
      },
      "linking": "pseudonymized_subject_id",
      "storage_location": "encrypted_reference"
    },
    "neuroimaging_archives": {
      "storage": "BIDS (Brain Imaging Data Structure) format",
      "modalities": ["T1w", "T2w", "fMRI", "DWI", "PET"],
      "linking": "participant_tsv with pseudonymized IDs"
    }
  }
}
```

## 4. Daily Life Integration

### 4.1 Wearable Device Integration

#### 4.1.1 Supported Platforms

| Platform | Data Types | API Method |
|----------|-----------|------------|
| Apple HealthKit | HR, HRV, Sleep, Activity, Mindfulness | HealthKit SDK |
| Google Fit | HR, Sleep, Activity | REST API |
| Fitbit | HR, HRV, Sleep, SpO2, Stress | Web API |
| Garmin Connect | HR, HRV, Sleep, Stress, Body Battery | Connect API |
| Oura Ring | HR, HRV, Sleep, Readiness | Oura API |
| Whoop | HRV, Sleep, Strain, Recovery | Whoop API |
| Samsung Health | HR, Sleep, Stress | Health SDK |

#### 4.1.2 Data Flow Architecture

```
┌─────────────────────────────────────────────────────────────┐
│                     Patient Device                          │
├─────────────────────────────────────────────────────────────┤
│                                                             │
│  ┌─────────────┐     ┌─────────────┐     ┌─────────────┐   │
│  │  Wearable   │────▶│  Health     │────▶│   WIA       │   │
│  │  Device     │     │  Platform   │     │  Mental     │   │
│  │             │     │  (HealthKit │     │  Health     │   │
│  └─────────────┘     │  / Fit)     │     │   App       │   │
│                      └─────────────┘     └─────────────┘   │
│                                                │            │
│                                                ▼            │
│                                          ┌─────────────┐   │
│                                          │  Cloud      │   │
│                                          │  Platform   │   │
│                                          │  (E2E       │   │
│                                          │  Encrypted) │   │
│                                          └─────────────┘   │
│                                                │            │
└────────────────────────────────────────────────│────────────┘
                                                 │
                                                 ▼
                                          ┌─────────────┐
                                          │  Provider   │
                                          │  Dashboard  │
                                          └─────────────┘
```

### 4.2 Smart Home Integration

#### 4.2.1 Environmental Factors

```json
{
  "smart_home_integration": {
    "light_exposure": {
      "devices": ["smart_bulbs", "light_sensors"],
      "data": ["lux_levels", "color_temperature", "duration"],
      "clinical_use": "circadian_rhythm_assessment"
    },
    "sleep_environment": {
      "devices": ["smart_mattress", "room_sensors"],
      "data": ["room_temperature", "humidity", "noise_levels"],
      "clinical_use": "sleep_hygiene_assessment"
    },
    "activity_tracking": {
      "devices": ["motion_sensors", "smart_scales"],
      "data": ["room_transitions", "weight_trends"],
      "clinical_use": "behavioral_activation_monitoring"
    },
    "voice_analysis": {
      "devices": ["smart_speakers (with consent)"],
      "data": ["speech_patterns", "prosody"],
      "clinical_use": "passive_mood_assessment",
      "privacy": "local_processing_only"
    },
    "protocols": ["Matter", "Thread", "Zigbee", "Z-Wave"],
    "privacy_requirements": {
      "explicit_consent": true,
      "data_minimization": true,
      "local_processing": "preferred"
    }
  }
}
```

### 4.3 Workplace Integration

#### 4.3.1 Employee Assistance Program (EAP) Integration

```json
{
  "eap_integration": {
    "referral_workflow": {
      "employee_initiated": {
        "assessment": "anonymous_screening",
        "referral": "warm_handoff_to_eap"
      },
      "manager_initiated": {
        "concern_documentation": "encrypted",
        "hr_notification": "configurable",
        "employee_consent": "required"
      }
    },
    "data_sharing": {
      "with_employer": {
        "aggregate_only": true,
        "minimum_n": 50,
        "identifiable": "never"
      },
      "with_eap_provider": {
        "level": "treatment_necessary",
        "consent": "required"
      }
    },
    "outcomes_reporting": {
      "productivity_correlation": "aggregate_research_only",
      "roi_metrics": "population_level"
    }
  }
}
```

## 5. Insurance and Payer Integration

### 5.1 Claims and Prior Authorization

#### 5.1.1 X12 EDI Integration

```json
{
  "claims_integration": {
    "transactions": {
      "837P": "Professional claim submission",
      "835": "Remittance advice",
      "278": "Prior authorization request/response",
      "270/271": "Eligibility inquiry/response"
    },
    "mental_health_specific": {
      "cpt_codes": {
        "90832": "Psychotherapy 16-37 min",
        "90834": "Psychotherapy 38-52 min",
        "90837": "Psychotherapy 53+ min",
        "90846": "Family therapy without patient",
        "90847": "Family therapy with patient",
        "90853": "Group therapy",
        "96130": "Psychological testing evaluation",
        "90899": "Unlisted psychiatric service"
      },
      "hcpcs_codes": {
        "G0108": "Diabetes outpatient self-management (mental health component)",
        "G3002": "Digital behavioral therapy for depression"
      },
      "modifiers": {
        "95": "Synchronous telemedicine",
        "GT": "Interactive audio/video",
        "HE": "Mental health program"
      }
    },
    "prior_auth_automation": {
      "criteria_check": "automated against payer rules",
      "documentation_attachment": "clinical notes auto-selected",
      "status_tracking": "real-time webhook updates"
    }
  }
}
```

### 5.2 Value-Based Care Integration

```json
{
  "value_based_care": {
    "quality_measures": {
      "hedis": {
        "AMM": "Antidepressant Medication Management",
        "FUH": "Follow-Up After Hospitalization",
        "ADD": "Follow-Up Care for Children Prescribed ADHD Medication",
        "FUM": "Follow-Up After ED Visit for Mental Illness"
      },
      "mips": {
        "134": "Preventive Care and Screening: Screening for Depression",
        "370": "Depression Remission at Twelve Months"
      }
    },
    "outcome_reporting": {
      "frequency": "monthly",
      "data_elements": [
        "phq9_response_rate",
        "remission_rate",
        "medication_adherence",
        "appointment_adherence",
        "hospitalization_rate"
      ]
    },
    "risk_adjustment": {
      "model": "HCC (Hierarchical Condition Categories)",
      "mental_health_codes": "auto-populated from assessments"
    }
  }
}
```

## 6. WIA Ecosystem Integration

### 6.1 Cross-Standard Interoperability

```json
{
  "wia_ecosystem": {
    "related_standards": {
      "WIA-HEALTH-PASSPORT": {
        "integration": "patient_health_summary",
        "data_shared": ["diagnoses", "medications", "allergies"]
      },
      "WIA-SLEEP": {
        "integration": "bidirectional",
        "data_shared": ["sleep_metrics", "circadian_data"]
      },
      "WIA-NUTRITION": {
        "integration": "gut_brain_axis_data",
        "data_shared": ["dietary_patterns", "microbiome_health"]
      },
      "WIA-FITNESS": {
        "integration": "exercise_prescription",
        "data_shared": ["activity_levels", "exercise_interventions"]
      },
      "WIA-SOCIAL": {
        "integration": "social_support_networks",
        "data_shared": ["connection_metrics", "loneliness_scores"]
      }
    }
  }
}
```

### 6.2 WIA Registry Integration

```json
{
  "registry_integration": {
    "registration": {
      "provider_registry": "WIA Provider Certification",
      "dtx_registry": "WIA Digital Therapeutics Certification",
      "research_registry": "WIA Research Data Sharing"
    },
    "verification": {
      "credential_check": "real-time API",
      "certification_status": "cached with TTL",
      "revocation_check": "before each session"
    },
    "reporting": {
      "aggregate_outcomes": "quarterly",
      "adverse_events": "real-time",
      "quality_metrics": "monthly"
    }
  }
}
```

## 7. Certification Requirements

### 7.1 Implementation Levels

| Level | Requirements | Badge |
|-------|--------------|-------|
| Bronze | PHASE-1 Data Format compliance | 🥉 |
| Silver | + PHASE-2 API Implementation | 🥈 |
| Gold | + PHASE-3 Protocol compliance | 🥇 |
| Platinum | + PHASE-4 Full Integration | 💎 |

### 7.2 Certification Checklist

```
WIA-MENTAL-HEALTH CERTIFICATION CHECKLIST
┌─────────────────────────────────────────────────────────────┐
│  DATA FORMAT (PHASE 1)                                      │
│  □ Mental health index schema compliance                    │
│  □ Biomarker data format compliance                         │
│  □ Privacy and encryption requirements met                  │
│  □ Consent schema implemented                               │
├─────────────────────────────────────────────────────────────┤
│  API INTERFACE (PHASE 2)                                    │
│  □ Assessment API endpoints functional                      │
│  □ Treatment API endpoints functional                       │
│  □ Error handling per specification                         │
│  □ Rate limiting implemented                                │
├─────────────────────────────────────────────────────────────┤
│  PROTOCOL (PHASE 3)                                         │
│  □ Assessment protocols followed                            │
│  □ Treatment matching algorithm implemented                 │
│  □ Crisis protocol functional                               │
│  □ Safety planning integrated                               │
├─────────────────────────────────────────────────────────────┤
│  INTEGRATION (PHASE 4)                                      │
│  □ EHR integration certified                                │
│  □ Wearable integration tested                              │
│  □ Emergency services integration verified                  │
│  □ WIA Registry registered                                  │
├─────────────────────────────────────────────────────────────┤
│  SECURITY & PRIVACY                                         │
│  □ HIPAA compliance verified                                │
│  □ GDPR compliance verified (if applicable)                 │
│  □ Penetration testing completed                            │
│  □ Privacy impact assessment completed                      │
├─────────────────────────────────────────────────────────────┤
│  CLINICAL VALIDATION                                        │
│  □ Outcome data demonstrates efficacy                       │
│  □ Adverse event reporting functional                       │
│  □ Clinical advisory board review                           │
└─────────────────────────────────────────────────────────────┘
```

## 8. Implementation Roadmap

### 8.1 Phased Implementation

```
IMPLEMENTATION PHASES
┌─────────────────────────────────────────────────────────────┐
│  PHASE A: Foundation (Months 1-3)                           │
│  ├── Data schema implementation                             │
│  ├── Core API development                                   │
│  ├── Basic assessment integration                           │
│  └── Security infrastructure                                │
├─────────────────────────────────────────────────────────────┤
│  PHASE B: Clinical Features (Months 4-6)                    │
│  ├── Treatment matching algorithm                           │
│  ├── Progress tracking                                      │
│  ├── Crisis detection system                                │
│  └── Provider dashboard                                     │
├─────────────────────────────────────────────────────────────┤
│  PHASE C: Integration (Months 7-9)                          │
│  ├── EHR connectivity                                       │
│  ├── Wearable data integration                              │
│  ├── Digital therapeutics platform                          │
│  └── Telehealth integration                                 │
├─────────────────────────────────────────────────────────────┤
│  PHASE D: Advanced Features (Months 10-12)                  │
│  ├── AI-powered insights                                    │
│  ├── Predictive analytics                                   │
│  ├── Research data export                                   │
│  └── Full certification                                     │
└─────────────────────────────────────────────────────────────┘
```

---

**弘益人間 (Benefit All Humanity)**

*© 2025 WIA - World Certification Industry Association*
*MIT License*