Bills and insurance
What Is a CPT Code on a Medical Bill?
CPT Code · say it: see-pee-TEE kodeAlso written: Current Procedural Terminology, procedure code, HCPCS code, billing code
Short answer
A CPT code is a five-character code that describes a medical service or procedure, used on bills and insurance claims in the United States.
What it means
CPT stands for Current Procedural Terminology. Each code represents a specific service, such as an office visit, a blood test, a scan or a surgery. Providers use these codes to tell insurers what was done.
The code affects how much is billed and paid. Different codes exist for similar services depending on detail, such as the length or complexity of a visit. Related HCPCS codes cover things like supplies and some medicines.
CPT codes describe what was done, while ICD-10 codes describe why. If a charge looks wrong, asking which CPT code was used is a good starting point.
Where you may see it
- Itemized medical bills
- Explanation of benefits (EOB) statements
- Insurance claims and price estimates
📄 How it looks on a report
CPT 99213 - Office/outpatient visit, established patient
🙅 What it does not mean
- A CPT code does not describe your diagnosis; that is the job of an ICD-10 code.
- A higher-level code does not mean something is wrong with you; it reflects the visit's complexity or time.
- A code on a bill is not automatically correct; billing errors happen and can be questioned.
🗒️ Questions to ask your doctor
🧾 Reports where you will see “CPT Code”
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🔗 Read more from trusted sources
- “CPT Code” on MedlinePlus ↗
US National Library of Medicine
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General information about a medical word, not advice about your own results. Ask the clinician who ordered the test what it means for you.