Hope this helps. This is from medicare
Acute carbon monoxide intoxication,
Decompression illness,
Gas embolism,
Gas gangrene,
Acute traumatic peripheral ischemia. HBO therapy is a valuable adjunctive treatment to be used in combination with accepted standard therapeutic measures when loss of function, limb, or life is threatened.
Crush injuries and suturing of severed limbs. As in the previous conditions, HBO therapy would be an adjunctive treatment when loss of function, limb, or life is threatened.
Progressive necrotizing infections (necrotizing fasciitis),
Acute peripheral arterial insufficiency,
Preparation and preservation of compromised skin grafts (not for primary management of wounds),
Chronic refractory osteomyelitis, unresponsive to conventional medical and surgical management,
Osteoradionecrosis as an adjunct to conventional treatment,
Soft tissue radionecrosis as an adjunct to conventional treatment,
Cyanide poisoning,
Actinomycosis, only as an adjunct to conventional therapy when the disease process is refractory to antibiotics and surgical treatment,
Diabetic wounds of the lower extremities in patients who meet the following three criteria:
Patient has type I or type II diabetes and has a lower extremity wound that is due to diabetes;
Patient has a wound classified as Wagner grade III or higher; and
Patient has failed an adequate course of standard wound therapy.