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CPT codes explained
Most CPT references restate the descriptor, which tells you what a code is and nothing about whether it will be paid. These cover the unit rules, the time thresholds and the documentation each code actually turns on — and the errors that produce the denial.
26 codes · Last updated September 1, 2026
CPT is a code set maintained and copyrighted by the American Medical Association. These guides state the codes and explain how they are billed in our own words; they do not reproduce the official descriptors.
Evaluation and management
Behavioral health
Chiropractic
Physical medicine
Drug administration
Cardiovascular diagnostics
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