Applying level II HCPCS modifiers Apply the appropriate Level II Healthcare Common Procedure Coding System (HCPCS) code modifier for each of the following examples. Explain your rationale for each selection.

Portable home oxygen unit
Emergency ambulance transport and extended life support
Diagnostic mammogram, left breast
Cortisone 10 mg injection, right shoulder
Nonelectric wheelchair
Intravenous catheter line, right arm
Laboratory certification, cytology specimens
Chest X-ray
Prosthetic hip replacement, left side
Electric hospital bed * * Angioplasty of right coronary artery –RC
I chose this HCPCS Modifier Code because the procedure was performed on the right coronary artery. RC is the medical term for right

Emergency ambulance transport and extended life support provided directly by provider of service –QN
I used this because emergency ambulance transport and extended life support was given directly by a provider of services, for example, a volunteer ambulance service.

Diagnostic mammogram following screening mammogram, left breast –GG
This modifier code was chosen because a mammogram was performed, and using this code described more than using a code for left side.

Cortisone 10 mg injection, right shoulder –RT
I chose this modifier code because the cortisone 10 mg injection procedure was performed on the right side, or right shoulder of the body.

Nonelectric wheelchair- GY
I chose this Modifier code because the equipment was not covered by Medicare benefits.

Intravenous catheter line, right arm –RT
I used this code because the Intravenous catheter procedure was performed on the right side of the body.

Laboratory certification, cytology specimens –TC
I chose this code because the procedure performed was by using technical equipment

* Chest X-ray –TC
I used this Modifier code because the X-Ray machine