All ASC CPT codes
ASC Eligibility · 1,559 codes

CPT Codes Not Typically Performed in an ASC

This hub covers the 1,559 CPT and HCPCS codes that are not typically performed in an ambulatory surgery center. Excluded status does not mean a procedure is unsafe or never done outside a hospital. These procedures are usually performed in a different setting, typically a hospital inpatient or outpatient department, or in some cases a physician office.

The codes here span several patterns. Some are anesthesia services billed by the anesthesia provider rather than as an ASC facility line, such as 00176 (anesthesia for pharyngeal surgery), 00192 (anesthesia for facial bone surgery), and 00211 (anesthesia for cranial surgery for hematoma). Others are procedures considered too clinically intensive or too closely tied to inpatient recovery for the ASC setting, including newer Category III codes like 0075T. The common thread is the payment rule, not the specialty.

For an ASC, the practical question is what happens when one of these codes is scheduled or coded. Knowing a code is not typically ASC-based before the case lets the business office set expectations, route the procedure to the correct setting, or confirm whether a given payer follows the same approach. DataLily AI shows what commercial plans pay for these codes and which providers perform them most.

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Not Typically Performed in an ASC codes(showing 120 of 1,559)

What does it mean when a CPT code is not typically performed in an ASC?

It means the procedure is generally directed to another setting rather than an ambulatory surgery center. The service is typically done in a hospital inpatient or outpatient department, or sometimes a physician office. This is about where the service is performed, not whether the procedure is clinically valid.

Can an ASC still perform a procedure that is not typically ASC-based?

Clinical capability and site-of-service rules are separate questions. A facility may be physically able to perform a service, but if the code is not ASC-based, it generally will not be supported at the ASC facility rate. Before scheduling, billers should confirm the site-of-service rules for the specific payer, since policies vary, and route the case to the setting where it can be appropriately and compliantly billed.

Why are anesthesia codes like 00176 and 00211 on the excluded list?

Anesthesia CPT codes such as 00176 (pharyngeal surgery) and 00211 (cranial surgery for hematoma) are billed by the anesthesia provider as professional services, not as an ASC facility line item. They fall here because there is no separate ASC facility payment for them. The ASC is paid for the ASC-eligible surgical procedure, while the anesthesia professional service is billed and paid separately.

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