Environmental Exposure decoded.
Intelligence delivered.
86% of primary care physicians received zero environmental health training. HomeKnown gives you a structured, billable framework to assess radon, PFAS, mold, air quality, and water contamination — and turn findings into ICD-10 coded clinical pathways.
of PCPs received zero environmental health training
ATSDR / NIEHSof clinicians never ask patients about exposures
J. of Env. Medicineenvironmental testing market projected by 2034
Grand View Researchof global deaths attributable to environmental exposure
WHOYour patients are exposed. Your tools aren't keeping up.
Patients present with complex, multi-system complaints that don't resolve with standard care. Without a framework to investigate environmental triggers, clinicians manage symptoms instead of addressing root causes.
No Standardized Intake
Environmental history is collected through unstructured patient narratives, if at all. There is no consistent framework for capturing exposure data across visits or practice settings.
No Interpretive Layer
Even when exposures are documented, there is no decision-support system to connect suspected exposures to specific diagnostic pathways, ICD-10 codes, or recommended lab panels.
Fragmented & Costly Testing
Lab panels are spread across numerous providers, are rarely covered by insurance, and lack integrated clinical interpretation. Patients bear the burden of navigating a broken system.
No Billing Infrastructure
Physicians lack clarity on how to code and bill for environmental health services, leaving revenue on the table and discouraging the integration of exposure assessment into routine care.
From survey to clinical action in four steps
Homeknown integrates seamlessly into your existing workflow. No new EMR required. No software to install. Just a secure link and a clinical report.
Assign the Survey
Generate a unique, secure survey link for your patient — or send it directly via email or SMS from the dashboard.
Patient Completes EBI
The patient answers questions about their home environment, water sources, air quality, materials, and daily habits.
Report Generated
Homeknown generates a scored Clinical EBI™ report with vector analysis, exposure categories, and suggested ICD-10 / CPT pathways.
Review & Order
Review the report in your dashboard. Order recommended lab panels and monitoring devices directly — billed to practice or patient.
What is the primary water source for your home?
A clinically-validated exposure assessment your patients complete at home
Each patient receives a unique, secure URL with an embedded practice identifier. The survey covers air quality, water sources, building materials, moisture/mold risk, and daily exposure habits — generating a comprehensive Exposure Burden Index score.
Choose the right assessment level
Each tier includes the Clinical EBI™ report with ICD-10 pathway mapping and billing support. Add testing layers as clinically indicated.
EBI Report
Survey-only screening with scored clinical report
- 5-vector exposure analysis
- ICD-10 pathway mapping
- CPT 96160 billable
EBI + Air
Continuous air quality monitoring for respiratory complaints
- Airthings View Plus
- PM2.5, VOCs, CO2, radon
- 7-sensor monitoring
EBI + Water
Comprehensive water testing for PFAS, heavy metals, and 100+ analytes
- Tap Score Advanced test
- 111 analytes incl. PFAS
- EPA guideline comparison
EBI + Mold
Clinical-grade mold analysis for CIRS and autoimmune presentations
- ERMI by EnviroBiomics
- 36 species via qPCR
- HERTSMI-2 scoring
EBI Complete
Full environmental assessment — air, water, and mold combined
- All testing included
- Integrated results dashboard
- Priority interpretation
Built for reimbursement from day one
Every Homeknown report maps directly to established ICD-10, CPT, and taxonomy codes. Your practice can bill for time spent reviewing the EBI, counseling patients, and ordering labs.
Medical Necessity — ICD-10 Codes
- •Z77.120 — Contact with mold (toxic)
- •Z77.098 — Other hazardous chemicals (PFAS)
- •Z77.011 — Contact with lead
- •Z13.88 — Screening for exposure to contaminants
- •Z58.6 — Inadequate drinking-water supply
- •Z77.110 — Contact with air pollution
Service Billing — CPT / E&M Codes
- •96160 — Health Risk Assessment (EBI scan)
- •99204-05 — New patient E/M visit (moderate-high)
- •99214-15 — Established patient E/M visit
- •99417 — Prolonged service (+15 min increments)
- •G0136 — SDOH assessment (Medicare AWV)
- •99381-97 — Preventive medicine services
Lab Panels — Lab CPT Codes
- •82542 — PFAS / mycotoxin testing
- •83655 — Lead, blood (heavy metals)
- •82175 — Arsenic, urine
- •83015 — Heavy metal panel
- •83519 — Immunoassay (CIRS markers)
- •80061 — Lipid panel (metabolic baseline)
Tailored workflows for every practice type
Homeknown maps to the coding, billing, and clinical needs of your specific specialty.
Functional & Integrative Medicine
202K00000X / 207Q00000XAllergy / Immunology
207K00000XRheumatology
207RR0500XPrimary Care / Internal Medicine
207R00000X / 207Q00000XOccupational / Environmental Medicine
2083P0500XLive in your practice by end of day
No IT department required. No software to install. Just a secure web portal and a 15-minute orientation call.
Create Your Practice Account
Register your practice, add your NPI and taxonomy codes, and invite your clinical team. We verify your credentials and activate your dashboard.
5 minutesConfigure Your Workflow
Select your default tier, customize your patient survey link branding, and set up your preferred delivery method (email, SMS, or generated URL).
5 minutesSend Your First Survey
Generate a unique survey link for your first patient. When they complete it, you'll receive a Clinical EBI™ report with full billing code support in your dashboard.
5 minutesDesigned for rapid, compliant market entry
21st Century Cures Act Exemption
The Homeknown platform qualifies as Non-Device Clinical Decision Support (CDS) under the 21st Century Cures Act, enabling rapid deployment without FDA device regulation.
- ✓Does not acquire, process, or analyze medical images or signals
- ✓Displays and analyzes patient-reported environmental data
- ✓Provides recommendations to healthcare professionals
- ✓Enables independent review of underlying data and logic
The Reimbursement Tailwind
Environmental health testing is increasingly gaining insurance coverage. Homeknown positions your practice to capitalize on this evolving landscape.
- ✓E/M visits and preventive counseling covered by most payers
- ✓New Hampshire mandated PFAS blood test coverage in 2024
- ✓Cash-pay and hybrid billing models fully supported
- ✓Superbill generation for out-of-network reimbursement