What is the 23 modifier for anesthesia?

Asked by: Prof. Elmira Bayer Sr.  |  Last update: August 17, 2025
Score: 4.4/5 (48 votes)

Modifier 23 (Unusual Anesthesia) This modifier describes a procedure usually not requiring anesthesia (either none or local), but due to unusual circumstances, is performed under general anesthesia.

What are the modifiers for anesthesia?

Modifiers are two-character indicators used to modify payment of a procedure code or otherwise identify the detail on a claim. Every anesthesia procedure billed to OWCP must include one of the following anesthesia modifiers: AA, QY, QK, AD, QX or QZ.

What is the modifier 22 for anesthesia?

Modifier -22: Increased Procedural Services. This modifier is used to identify a service that requires significantly greater effort, such as increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required, than is usually needed for that procedure.

What is the AA modifier for anesthesia?

Modifier AA is used when a physician anesthesiologist performs the entire anesthesia service. Or he is continuously involved in a single case with a student nurse anesthetist.

What is CPT code 23?

Append modifier 23 to an anesthesia code when the provider administers general anesthesia for a procedure that does not normally require it.

Medical Coding CPC Review - Anesthesia CPT and Modifiers

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What is the 23 modifier used for?

Modifier 23 (Unusual Anesthesia) This modifier describes a procedure usually not requiring anesthesia (either none or local), but due to unusual circumstances, is performed under general anesthesia.

What is code 23 in medical billing?

Incorrect payment or adjustment by prior payer(s): This code may be triggered if the prior payer(s) made an error in processing the claim, resulting in an incorrect payment or adjustment. It could be due to miscalculations, misinterpretation of the claim details, or system glitches.

What is the 59 modifier for anesthesia?

Modifier 59 Distinct Procedural Service indicates that a procedure is separate and distinct from another procedure on the same date of service. Typically, this modifier is applied to a procedure code that is not ordinarily paid separately from the first procedure but should be paid per the specifics of the situation.

What is AA in anesthesia?

What Is An AA. Certified Anesthesiologists Assistants (CAAs) are highly skilled, specialized healthcare providers who work under the direction of licensed Anesthesiologists within the Anesthesia Care Team Model as described by the American Society of Anesthesiologists (ASA).

What is the CPT code for anesthesia?

Anesthesia CPT® Code range 00100- 01999

The anesthesia CPT® codes list covers anesthesia services provided in conjunction with procedures on specific body areas such as the head, neck, spine and spinal cord, upper leg, or elbow.

What is a 24 modifier?

Modifier 24 is defined as an unrelated evaluation and management service by the same physician or other qualified health care professional during a post-operative period.

What is the 33 modifier?

By appending modifier 33, the provider alerts the insurer that a covered preventive service was provided, and that patient cost-sharing does not apply.

What is a 26 modifier?

• Modifier 26 is appended when a physician provides the professional component only of the global fee. and when the physician prepares a written interpretation and report. • Modifier 26 should only be appended to codes which are listed in the CMS NPFSRVF as modifier 26. appropriate.

What is a 22 modifier?

Modifier 22 is defined as increased procedural services. Under certain circumstances, it may be necessary to indicate that a procedure or service is significantly greater than usually required.

What is the modifier 73 for anesthesia?

Procedures which are discontinued or terminated before planned anesthesia has been provided should be reported with modifier 73. 1) The patient must be prepared for the procedure and taken to the room where the procedure is to be performed to report modifier 73.

What is the 53 modifier for anesthesia?

Modifier 53 - Discontinued Procedure

Modifier 53 may be added to the procedure code when a procedure is terminated after the induction of anesthesia (e.g. local, regional block(s), or general anesthesia), or after the procedure was started (incision made, intubation started, scope inserted).

What is the modifier AA for anesthesia?

Report anesthesia services personally performed by the anesthesiologist with modifier AA. b. Personally performed services will be reimbursed at the full applicable fee schedule rate (base units + time units).

What are the 4 levels of anesthesia?

Four main types of anesthesia are used during surgery and other procedures: general anesthesia, regional anesthesia, monitored anesthesia care and local anesthesia. Your anesthesiologist will discuss with you the type of anesthesia that would be appropriate for your surgery or procedure.

What is the difference between CAA and AA?

A CAA is authorized to receive the assigned ITIN number directly from the IRS. An AA can assist alien persons in obtaining ITINs or EINs from the IRS, but is not authorized to receive the ITIN number. The IRS will issue the assigned number directly to the applicant.

What is the modifier 23 for unusual anesthesia?

General Use of Modifier 23

Append Modifier 23 to an anesthesia procedure code to indicate that a procedure normally performed under local anesthesia or with a regional block required general anesthesia. Documentation shall support the reason that general anesthesia was required.

What modifier is 57?

CPT modifier 57 may be used to report the decision for surgery for certain codes. This modifier may be used to indicate that an evaluation and management (E/M) service performed on the same day or the day before a major surgery (090 global days) by the surgeon resulted in the decision to perform the procedure.

What is the modifier 77 for anesthesia?

Lay Term. Append modifier 77 to a procedure or service that a different provider repeats after another provider performed the initial procedure.

What does code 23 mean?

When you receive denial code 23, this means that your denied claim is due to the impact of prior payer(s) adjudication. This includes payments and/or adjustments. You can find this information on the electronic remittance advice (ERA) and explanation of benefits (EOB) sent back by the payer.

What is a POS code 23?

POS 23 Emergency Room – Hospital A portion of a hospital where emergency diagnosis and treatment of illness or injury is provided.

What is CO23?

CO23 is a selective thyroid hormone receptor (TR) α agonist and used for growth and development regulation. CO23 was able to be transported through the blood-brain barrier.