HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating the prescribed amount of oxygen is greater than 4 L per minute (LPM).
The Rantings of the barely human.
HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating the prescribed amount of oxygen is greater than 4 L per minute (LPM).