Structure of CPT Codes:
 

Evaluation and Management	99201-99499
Anesthesia	01000-01999
Surgery	10040-69979
	10000-19999              20000-29999              30000-39999              40000-49999              50000-59999              60000-69999
Radiology	70010-79999
Pathology and Laboratory	80002-89399
Medicine	90701-99199
Psychiatry               Physical Medicine	90801-90899              97010-97799