| Indications 
 | Prospective 
 | Concurrent 
 | Third party peer review 
 | Retrospective 
 | 
| Central Retinal Artery Occlusion (When treatment starts within 24 hours of vision loss) 
 | Prior to the initiation of treatment 
 | > 5 sessions (3 days) | > 4 days after symptoms stabilize with no further improvement in visual acuity | At the completion of hyperbaric services 
 | 
| Diabetic Foot Ulcers (Wagner Grade 3 or higher) 
 | Prior to the initiation of treatment 
 | At least every 30 days during treatment 
 | Third party peer review (>= 40 treatments) 
 | At the completion of hyperbaric services | 
| Acute Carbon Monoxide Poisoning (And/Or Acute Cyanide Toxicity) 
 | Prior to the initiation of treatment 
 | After 3 treatments in 24 hours and After 5 total treatments 
 | Third party peer review (After 10 total treatments) 
 | At the completion of hyperbaric services 
 | 
| Clostridial Myonecrosis (Gas Gangrene) 
 | Prior to the initiation of treatment 
 | Concurrent review (After 10 total treatments) 
 | After 15 treatments 
 | At the completion of hyperbaric services 
 | 
| Compromised flaps and grafts 
 | Prior to the initiation of treatment 
 | After 10 treatments and After 20 treatments 
 | After 25 treatments 
 | At the completion of hyperbaric services 
 | 
| Crush Injuries and Compartment Syndromes 
 | Prior to the initiation of treatment 
 | After 10 treatments and After 20 treatments 
 | After 25 treatments 
 | At the completion of hyperbaric services 
 | 
| Decompression Illness (Including Arterial Gas Embolism 
 | Prior to the initiation of treatment 
 | 
 |  After 10 treatments (preferably in conjunction with recommendations from Divers Alert Network physicians | At the completion of hyperbaric services 
 | 
| Delayed Soft Tissue Radiation Injuries 
 | Prior to the initiation of treatment 
 | After 20 treatments and after 40 treatments 
 | After 60 treatments 
 | At the completion of hyperbaric services 
 | 
| Idiopathic Sudden Sensorineural Hearing Loss (Patients presenting within14 days after onset) 
 | Prior to the initiation of treatment 
 | After 10 treatments: Must include audiogram evidence of improvement 
 | Third party peer review ** There is no data to show continued improvement beyond 20 treatments** | At the completion of hyperbaric services 
 | 
| Mucormycosis and Cranial Abscesses 
 | Prior to the initiation of treatment 
 | After 20 treatments 
 | After a course of therapy exceeding 20 treatments 
 | At the completion of hyperbaric services 
 | 
| Necrotizing Soft Tissue Infections (Including Fornier’s Gangrene) 
 | Prior to the initiation of treatment 
 | After 10 treatments and After 20 treatments 
 | After 30 treatments 
 | At the completion of hyperbaric services 
 | 
| Chronic Refractory Osteomyelitis 
 | Prior to the initiation of treatment 
 | After 20 treatments and after 30 treatments 
 | After 40 treatments 
 | At the completion of hyperbaric services 
 | 
| Profound Anemia 
 | Prior to the initiation of treatment 
 | After 10 treatments and after 20 treatments 
 | After 30 treatments 
 | At the completion of hyperbaric services 
 | 
| Thermal Burns 
 | Prior to the initiation of treatment 
 | After 30 treatments 
 | After 30 treatments 
 | At the completion of hyperbaric services 
 |