Who approves CPT codes?

Current Procedural Terminology (CPT) codes are assigned by the American Medical Association (AMA) through a formal, physician-led governance process, and then selected by medical coders to report specific clinical services.

Creation and Governance (AMA Process)

• Application Submission: Stakeholders like physicians, medical specialty societies, and device companies submit a formal Code Change Application to the AMA.
• Expert Review: The CPT Advisory Committee evaluates the clinical utility, safety, and evidence of the proposed service.
• Editorial Panel Voting: The independent CPT Editorial Panel meets three times a year to vote on approving, revising, or rejecting code requests.
• Valuation: Approved Category I codes are sent to the Relative Value Update Committee (RUC) to help determine medical resource valuation.

Assignment in Clinical Practice (Medical Billing)

• Documentation Review: Professional medical coders read patient medical records and physician notes to identify performed services.
• Code Selection: Coders choose the appropriate 5-digit numeric or alphanumeric code from the AMA code set matching the exact procedure.
• Modifier Addition: Modifiers (such as -25 or anatomical markers) are added when extra context or distinction is required for billing accuracy.

You cannot submit a standard medical claim to an insurance company without a procedure code, but you can bill for services without a specific CPT code by using an unlisted procedure code.

Using Unlisted CPT Codes

• What they are: Placeholder codes that usually end in "99" or "89" (such as 99499 for unlisted evaluation and management).
• When to use them: Only use an unlisted code if no specific Category I or Category III CPT code or HCPCS code accurately describes the service performed.
• The rules: Never use a code that merely "approximates" or comes close to the service, as inaccurate coding can trigger compliance or fraud issues.

Requirements for Reimbursement

• Detailed documentation: You must attach a special report, operative note, or clear description explaining the medical necessity and the specific work performed.
• Manual pricing: Unlisted codes do not have a set national payment rate, so the billing office often needs to submit an invoice or compare it to a baseline code with similar effort and value.
• Prior authorization: Getting pre-approval from the insurance payer helps prevent claim rejections or delays.

Current Procedural Terminology (CPT®) codes are maintained by the independent CPT Editorial Panel convened and authorized by the American Medical Association (AMA).

Who Maintains and Develops CPT Codes

• The American Medical Association (AMA): Owns and manages the entire CPT code system.
• The CPT Editorial Panel: An independent, expert body of clinical volunteers appointed by the AMA Board of Trustees. They meet three times a year to review, update, add, or revise codes so they reflect real-world clinical practice.
• Advisors and Stakeholders: Medical specialty societies, healthcare professionals, and advisors provide clinical input and recommendations to the Panel during the revision process.

Yes, multiple CPT codes can be billed together, provided they represent separate, distinct services and do not violate bundling rules.

When You Can Bill Codes Together

• Separate and distinct services: When you perform unrelated procedures during the same visit or on different anatomical sites.
• Add-on codes: When paired with a primary procedure code (add-on codes cannot be billed by themselves).
• Significant, separate E/M services: When a preventive visit and an acute problem-focused evaluation happen in the same appointment, using a modifier like Modifier 25.

When You Cannot Bill Codes Together (Bundling)

• Inclusive procedures: The National Correct Coding Initiative (NCCI) considers minor steps part of a more extensive service; billing them separately is illegal "unbundling".
• Mutually exclusive codes: Procedures that cannot logically be done together or contradict each other on the same day.
• Timed codes: You cannot bill two time-based 15-minute codes for the exact same block of time.

CPT codes do not have a single, fixed payout. Instead, how much a Current Procedural Terminology (CPT) code pays depends entirely on the specific medical procedure performed, the geographical location, and the insurance payer (e.g., Medicare, Medicaid, or private commercial insurance).

For example, a simple, established outpatient office visit code pays roughly $45 to $150, while complex surgical CPT codes can pay thousands of dollars.

How CPT Payments Are Calculated (The Medicare Standard)

Most insurance companies baseline their payments on the CMS Medicare Physician Fee Schedule (MPFS). Medicare calculates the exact payout using three primary variables:

1. Relative Value Units (RVUs): Every CPT code is assigned a weight based on the physician’s effort/time, practice expenses (rent, equipment), and malpractice insurance risk.
2. Geographic Practice Cost Index (GPCI): An adjustment based on how expensive it is to practice medicine in a specific zip code.
3. The Conversion Factor (CF): A fixed dollar multiplier set by Congress and CMS annually to convert the adjusted RVU into actual cash value.

Examples of Common CPT Code Payouts

The table below outlines approximate baseline national Medicare reimbursement rates for widely used CPT codes:

Commercial vs. Public Insurance Payouts

• Medicare: Generally pays the baseline standard rate. Note that Medicare pays 80% of this amount directly, and the patient or their secondary insurance covers the remaining 20%.
• Private Insurance (Aetna, BCBS, UnitedHealthcare, etc.): Typically pay a negotiated percentage higher than Medicare (often 110% to 150%+ of the Medicare baseline rate).
• Medicaid: Usually pays the lowest rates, often averaging only 70% to 80% of what Medicare pays for the exact same CPT code.

How to Look Up Specific Payouts

To find out exactly how much a specific CPT code pays in your specific area, you can use the free, official CMS Physician Fee Schedule Search Tool. You simply enter the 5-digit CPT code and your geographic location to see the active facility and non-facility pricing.