Can a biller bill without a CPT code?

Asked by: Mrs. Chelsie Bogisich MD  |  Last update: August 7, 2025
Score: 4.7/5 (59 votes)

When billing a service or procedure, select the CPT or HCPCS code that accurately identifies the service or procedure performed. If no such code exists, report the service or procedure using the appropriate unlisted procedure or Not Otherwise Classified (NOC) code (which often end in 99).

What if there is no CPT code?

If no specific CPT or HCPCS code exists, then the procedure must be reported using an appropriate “unlisted” CPT code.

Are CPT codes required for billing?

CPT codes are an integral part of the billing process. CPT codes tell the insurance payer what procedures the healthcare provider would like to be reimbursed for. As such, CPT codes work in tandem with ICD codes to create a full picture of the medical process for the payer.

Can you bill a revenue code without a CPT code?

Non-exempt Revenue Codes

For revenue codes that are not exempt, providers are required to indicate valid and most appropriate HCPCS or CPT procedure codes in addition to the revenue codes on outpatient hospital claims.

Can you bill without a diagnosis code?

A claim submitted without a valid ICD-10-CM diagnosis code will be returned to the provider as an incomplete claim under Section 1833(e) of the Social Security Act. The diagnosis code(s) must best describe the patient's condition for which the service was performed.

The Difference Between HCPCS and CPT Codes

34 related questions found

Can you do medical billing without coding?

Medical billing and coding certifications are not technically required to work in the field, “but to work in most reputable organizations, you have to be certified,” Garcia says. There tends to be more wiggle room for working as a biller, rather than a coder, without certification.

What is required for a CPT code to be considered medically necessary?

Medical Necessity - Rehabilitation

Services must be under accepted standards of medical practice and considered to be specific and effective treatment for the patient's condition. The amount, frequency, and duration of the services planned and provided must be reasonable.

What federal law requires the use of the CPT code set as an official transaction code set?

Under HIPAA, HHS adopted specific code sets for diagnoses and procedures used in all transactions.

What is the difference between a CPT code and a revenue code?

Revenue codes tell what medical service was provided. Medical codes tell why and how. For example, a revenue code may indicate that a patient received physical therapy. The CPT code would specify exactly what therapy services were performed, like therapeutic exercises or neuromuscular reeducation.

Can you bill CPT 99358 by itself?

Prolonged services must relate to an upcoming encounter or a recent one. Codes may be reported alone (99358) or in conjunction with another service. Code 99359 must be reported with 99358.

Are CPT codes optional?

Category II CPT codes: performance measurement

Some codes in this category may relate to compliance by the health care professional with state or federal law. The use of these codes is optional.

Who pays for CPT codes?

It allows billing and tracking through the local and regional contractors for Medicare and other payers. There are no assigned fees to these codes, but payment is available at the discretion of the Insurance Carriers or Medicare contractors.

Who mandates CPT codes?

In 2000, the CPT code set was designated by the Department of Health and Human Services as the national coding standard for physician and other health care professional services and procedures under the Health Insurance Portability and Accountability Act (HIPAA).

What requires a CPT code?

The CPT terminology is the most widely accepted medical nomenclature used across the country to report medical, surgical, radiology, laboratory, anesthesiology, genomic sequencing, evaluation and management (E/M) services under public and private health insurance programs.

What is a non required CPT?

Required CPT is when the academic program mandates practical work experience to graduate. Not required or optional CPT is when the practical work experience is for credit and directly related to your field of study.

Which payer will require the HCPCS code instead of the CPT?

CPT codes are used to report medical, surgical, and diagnostic services performed by healthcare professionals. HCPCS codes are used to report medical procedures and services to Medicare, Medicaid, and other health insurance programs.

How are CPT codes used for reimbursement?

The Current Procedure Terminology (CPT) code set is used to denote the medical and surgical procedures and diagnostic services rendered by clinicians under HIPAA. The key to appropriate insurance reimbursement lies in accurate procedure coding.

What is the difference between CPT code and procedure code?

The ICD-10 procedural coding system (ICD-10-PCS) is used by facilities (e.g., hospital) to code procedures. CPT codes are, and will continue to be, used by physicians (and other providers) to report professional services. The two systems are unique and very different.

How do I find CPT codes?

The Centers for Medicare & Medicaid Services offer a free search (CPT code lookup) for RVU for every CPT code. Users can also request a CPT/RVU Data File license from the AMA to easily import codes and descriptions into existing claims and medical billing systems.

What is the 5010 rule?

The 5010 HIPAA transaction standards are a new set of standards that regulate the electronic transmission of specific health care transactions. These include eligibility, claim status, referrals, claims and electronic remittance.

Do I have to pay to use CPT codes?

CPT content is copyrighted, maintained and published by the AMA. Any individual or entity using CPT content needs permission or a license (i.e., an end-user agreement, end user license agreement, or other written agreement authorizing use of CPT codes) from the AMA or an authorized distributor.

Who is legally responsible for assigning the correct CPT code?

Debunking the myth

While physicians and other qualified health care professionals are responsible for ensuring the use of the correct diagnosis and Current Procedural Terminology (CPT®) codes, other appropriate individuals may physically enter or change the code when authorized.

Do you need a CPT?

There are two types of CPT: required and optional. Required CPT is when the academic program mandates practical work experience for all students in order to graduate. Optional CPT is work experience directly related to your field of study that is not required.

Who is not eligible for CPT?

ESL and non-degree students (VISP, exchange, certificate) are not eligible for CPT.

Who determines if a procedure is medically necessary?

How is “medical necessity” determined? A doctor's attestation that a service is medically necessary is an important consideration. Your doctor or other provider may be asked to provide a “Letter of Medical Necessity” to your health plan as part of a “certification” or “utilization review” process.