Locate guidelines on the CMS website
A procedure can have other policies or guidelines besides an LCD or NCD. The CMS website has a wealth of information.
Step 1: Search the CMS Internet Only Manuals (IOM)
The IOM displays day-to-day operating instructions, policies, and procedures that are based on statutes, regulations, guidelines, models, and directives. They are a valuable source of Medicare information.

Step 2: Search for MLN Matters® Articles
These articles explain Medicare policy in an easy-to-understand format. They focus on coverage, billing, and payment rules for specific provider types. They are prepared with assistance from clinicians, billing experts and CMS subject matter experts.