Overview
Hospital hyperbaric facilities use FDA-cleared hard-shell chambers (monoplace or multiplace) operating at 2.0–3.0 ATA. These facilities follow strict UHMS accreditation standards and treat only the 14 UHMS-approved indications. Treatment is physician-supervised with full emergency protocols.
A clinical hyperbaric facility is a dedicated hospital or free-standing clinic department that delivers UHMS-standard HBOT. The facility typically includes 2–12 monoplace chambers or 1–2 multiplace chambers (sometimes both), a dedicated gas-handling infrastructure, trained clinical staff (hyperbaric physicians, CHTs or CHRNs, and in multiplace facilities a chamber attendant team), and the documentation infrastructure required for CMS reimbursement.
UHMS Clinical Hyperbaric Facility Accreditation covers staff training, chamber maintenance, safety systems to NFPA 99, emergency protocols, and quality assurance. Accredited facilities display the UHMS seal and are listed in the UHMS directory. Patients should strongly prefer UHMS-accredited facilities for any medical HBOT.
How It Works
Clinical facilities operate standard UHMS protocols: 2.4 ATA for most wound-care indications over 20–40 sessions, 2.0 ATA for emerging neurological protocols, 2.8–3.0 ATA for emergency indications. Physician supervision is required and billed separately (CPT 99183). Each session includes pre-treatment screening, compression, treatment at depth with scheduled air breaks, decompression, and post-session evaluation.
Specifications
| Pressure range | 2.0–3.0 ATA |
|---|---|
| Oxygen purity | 100% O₂ |
| Session duration | 90–120 minutes |
| Typical cost | N/A (facility-based) |
Clinical Uses
- All 14 UHMS-approved indications — the primary clinical scope.
- Wound care — the single largest patient volume (diabetic ulcers, radiation injury, compromised grafts).
- Emergency HBOT — CO poisoning, DCS, gas gangrene, severe crush injury.
- Sudden sensorineural hearing loss (added 2021).
- Off-label neurological HBOT at selected facilities (research protocols).
Pros & Cons
Advantages
- UHMS-accredited and physician-supervised.
- Full insurance coverage for UHMS-approved indications.
- Comprehensive emergency protocols and clinical response.
- Access to multidisciplinary wound-care teams.
Limitations
- Access limited to approved indications (off-label use typically redirected to private clinics).
- Scheduling constraints for 40-session courses.
- Daily attendance required for most protocols.
Cost & Access
Clinical facility HBOT is billed through CMS/Medicare or private insurance for UHMS-approved indications. Per-session Medicare reimbursement is approximately $450 at UHMS-accredited hospital facilities (G0277, 99183). Patient out-of-pocket depends on insurance plan; many have no co-pay for approved indications after deductible.
Key References
- UHMS Clinical Hyperbaric Facility Accreditation Manual (2023 edition).
- UHMS Indications Manual (14th edition, 2019).
- NFPA 99 — Health Care Facilities Code.
- CMS National Coverage Determination (NCD) 20.29 — HBOT.
Frequently Asked Questions
How do I find a UHMS-accredited facility?
The UHMS website maintains a directory of accredited clinical hyperbaric facilities searchable by location. Most hospital-based hyperbaric programmes are accredited.
What is the difference between a clinical and a wellness HBOT facility?
Clinical facilities treat UHMS-approved indications using hard-shell chambers at 2.0+ ATA under physician supervision with insurance billing. Wellness facilities typically use soft-shell 1.3 ATA chambers for off-label protocols on a cash-pay basis.
How long is a wait for clinical HBOT?
Depends on facility capacity and indication. Emergency HBOT (CO, DCS) is available immediately. Wound-care HBOT may have 1–4 week waits. Off-label neurological protocols at research-affiliated clinics may have longer waits.
Research disclaimer: This reference is for educational purposes only. HBOT is a regulated medical treatment that must be administered under appropriate professional supervision. Always consult a qualified physician before considering hyperbaric therapy. Information reflects published research and regulatory guidance available at the time of review.