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77012

CT Guidance for Needle Placement

Code Description

CPT code 77012 is used to report computed tomography guidance for needle placement during procedures such as biopsy, aspiration, injection, or localization device placement. The code represents CT imaging supervision and interpretation associated with the needle guidance service.

CT guidance allows the provider to use cross-sectional imaging to identify a target and guide a needle toward the intended location. It can be useful when the target is deep within the body or when nearby organs and structures require precise needle positioning.

When to Use 77012

Common examples include:

  • CT-guided needle biopsy

  • CT-guided aspiration

  • CT-guided injection

  • Localization device placement

  • Needle placement for deep lesions or masses

  • Procedures requiring precise CT localization

Documentation Requirements

Documentation should include:

  • Primary procedure performed

  • Anatomical target

  • Reason CT guidance was used

  • CT guidance during needle placement

  • Appropriate image documentation

  • Radiological supervision and interpretation

Common Billing Mistakes

Common billing mistakes include:

  • Reporting 77012 without the associated primary procedure

  • Billing CT guidance when imaging is included in the primary procedure code

  • Failing to document CT guidance

  • Confusing CT guidance with fluoroscopic or ultrasound guidance

  • Ignoring payer-specific bundling requirements

CMS policies can package imaging guidance into certain primary services depending on the procedure and setting, so separate reporting should be verified before claim submission.

Related CPT Codes
77002

Fluoroscopic Guidance for Needle Placement

74177

CT Abdomen and Pelvis With Contrast

73721

MRI Lower Extremity Joint Without Contrast

FAQ

What does CPT code 77012 cover?

CPT code 77012 reports CT guidance for needle placement during procedures such as biopsy, aspiration, injection, or localization device placement, including radiological supervision and interpretation.

What is the difference between CPT 77002 and 77012?

CPT 77002 reports fluoroscopic guidance for needle placement, while CPT 77012 reports guidance using computed tomography.

Is CPT 77012 the same as the primary biopsy or aspiration procedure?

No. CPT 77012 represents the CT imaging guidance service. The primary biopsy, aspiration, injection, or other needle procedure is reported separately when coding rules allow.

When is CT guidance used for needle placement?

CT guidance may be used when a provider needs detailed cross-sectional imaging to accurately position a needle for procedures involving deep or difficult-to-access targets.

Procedure Type

Imaging Guidance

Imaging Method

Service Type

Computed Tomography (CT)

Needle Placement Guidance