When should modifier 33 be used?

Asked by: Maryam D'Amore  |  Last update: July 12, 2025
Score: 4.7/5 (72 votes)

Modifier 33 should be used when the primary purpose of the service is the delivery of an evidence-based service in accordance with the guidelines provided by one of the ACA-designated organizations, including an A or B recommendation from the USPSTF.

How do I know if a CPT code needs a laterality modifier?

The -RT and -LT modifiers should be used whenever a procedure is performed on one side. For instance, when reporting CPT code 27560 (closed treatment of patellar dislocation; without anesthesia), modifier -RT or -LT should be appended if only one knee is treated.

What is CPT 96127 with modifier 33?

When a primary care physician uses a standardized screening tool to evaluate the patient for depression, you may report CPT 96127 with a modifier 33 to signal the payer that it is being billed as a preventive service.

What needs to be documented for a preventive visit?

Components of a preventive visit
  • A comprehensive history and physical exam findings;
  • A description of the status of chronic, stable problems that are not “significant enough to require additional work,” according to CPT;
  • Notes concerning the management of minor problems that do not require additional work;

When must new CPT codes be used?

As the designated standard for the electronic reporting of physician and other health care professional services under the Health Insurance Portability and Accountability Act of 1996 (HIPAA), CPT codes are updated annually and effective for use on Jan. 1 of each year.

100 Business Machines You Can Buy Online to Make Money | Small Business Ideas - Production in Garage

39 related questions found

How do you know when to use a modifier in CPT?

The most common examples of circumstances that require a modifier are:
  1. A service or procedure has both a professional and technical component, but only one component is applicable.
  2. A service or procedure was performed by more than one physician or in more than one location.

What are the billing guidelines for 2024?

To bill prolonged services in 2024, providers must document the total time spent with the patient, ensuring it meets or exceeds the required threshold. The time based billing 2024 guidelines specify that all activities performed during the encounter must be recorded.

What is the 33 modifier used for?

Modifier 33 is used to tell the payer to process the service without a patient due balance, because it was a preventive service with an A or B rating from the USPSTF. Not all commercial patients will have this first-dollar coverage, but many with group health insurance plans will.

When to use modifier 33 for colonoscopy?

For commercial and Medicaid patients who have a colonoscopy following a positive non-invasive CRC screening test, use modifier 33 with the appropriate colonoscopy code (e.g., 45378, 45380) based on the procedure(s) performed.

Can you bill an office visit with a preventive visit?

Physicians are not prohibited from coding and billing for both preventive and problem-focused E/M services when they are performed during the same appointment.

Does CMS recognize modifier 33?

Apply Modifier 33 for Private Payers Only

The Centers for Medicare & Medicaid Services (CMS) has not issued any guidance for modifier 33. There's a good reason for this: Medicare and Medicaid do not recognize modifier 33.

Can you bill 96127 with a preventive visit?

Billing Guidelines for 96127

This code is commonly used in the context of preventive medicine services and can also be reported with other E/M services such as acute illness or follow-up office visits.

Does 99497 need a 33 modifier?

Yes. Advance care planning is a preventive service only when provided in conjunction with an annual wellness visit and reported with modifier 33 attached to the advance care planning code (e.g., 99497-33).

How do you know if a modifier is used correctly?

A modifier is a word, phrase, or clause that provides description.
  1. Always place modifiers as close as possible to the words they modify. ...
  2. A modifier at the beginning of the sentence must modify the subject of the sentence. ...
  3. Your modifier must modify a word or phrase that is included in your sentence.

What are the most commonly used CPT code modifiers?

These are examples of some of the most commonly used CPT® modifiers:
  • 25: Significant, separately identifiable evaluation and management service by the same physician or other qualified health care professional on the same day of the procedure or other service.
  • 26: Professional component.
  • 59: Distinct procedural service.

How to bill 99214 and 20610 together?

You need to put 25 with 99214 when you are biling 20610 and modifier LR or RT should be used with 20610 to support the necesity of 25 you will have to bill different diagnosis code with visit code to show the reason of visit is unrelated to 20610.

What is CPT code 45378 with modifier 33?

Screening colonoscopy (no polyps removed)

NOTE: You must add modifier 33 (preventative services) to CPT code 45378 for patients with commercial insurance to prevent them from being inappropriately billed.

Why isn't a diagnostic colonoscopy covered by insurance?

Soon after the ACA became law, some insurance companies considered a colonoscopy to no longer be just a “screening” test if a polyp was removed during the procedure. It would then be a “diagnostic” test, and would therefore be subject to co-pays and deductibles.

What is the best modifier?

The best universal modifier is Godly or Demonic. The two modifiers only differ in knockback, a stat that is not considered very useful (or even beneficial) in many situations. The difference in knockback is also negligible enough that Godly and Demonic can be treated as the same modifier.

Which modifier goes first, 33 of 59?

The modifier that impacts payment is reported first, in this case the 59.

What is a diagnostic colonoscopy?

Diagnostic colonoscopies, also referred to as follow-up or surveillance colonoscopies, are different from screening colonoscopies since such procedures are provided when there is a greater probability of cancer development or if there is evidence that colorectal cancer might be present.

What are the changes in the CPT code for 2024?

For 2024, the CPT code set includes 230 new codes, 49 deletions, and 70 revisions designed to keep pace with innovations in medical science and health technology.

What is the CMS rule for 2024?

Beginning January 1, 2024, CMS is finalizing implementation of a separate add-on payment for healthcare common procedure coding system (HCPCS) code G2211. This add-on code will better recognize the resource costs associated with evaluation and management visits for primary care and longitudinal care.

What are the new changes in E&M 2024?

2024 office visit codes 99202-99205 and 99212-99215 are revised to remove the time “range” in minutes from each code. Instead, clinicians billing based on time requires a single “minimum time threshold” to meet or exceed.