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Official Description

Echoencephalography, real time with image documentation (gray scale) (for determination of ventricular size, delineation of cerebral contents, and detection of fluid masses or other intracranial abnormalities), including A-mode encephalography as secondary component where indicated

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

Echoencephalography, as defined by CPT® Code 76506, is a specialized imaging technique utilized to assess the head and cranial cavity. This non-invasive procedure employs a transducer probe that is placed firmly against the scalp, allowing for the transmission of high-frequency sound waves. These sound waves are then converted into a gray scale image, which provides a visual representation of the skull, ventricles, and other cerebral structures. The primary purpose of echoencephalography is to identify abnormal masses, fluid collections, or other intracranial abnormalities. This imaging modality is particularly valuable in diagnosing and monitoring various conditions, including head injuries, intracranial hemorrhages, tumors, and structural anomalies of the brain. Additionally, the procedure may incorporate A-mode encephalography, which involves one-dimensional (1-D) ultrasonic measurements of the skull and/or brain, as a secondary component when indicated. In contrast, real-time ultrasonic measurement employs two-dimensional (2-D) scanning, allowing for the visualization of both the structure and motion over time, enhancing the diagnostic capabilities of the procedure.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

Echoencephalography is indicated for various clinical scenarios where assessment of the cranial cavity is necessary. The following conditions may warrant the use of this procedure:

  • Head Injury - To evaluate potential intracranial damage following trauma.
  • Intracranial Hemorrhage - To detect bleeding within the cranial cavity.
  • Fluid Collections - To identify the presence of abnormal fluid accumulations in the brain.
  • Tumors - To assess the presence and characteristics of neoplastic growths within the cranial structures.
  • Structural Anomalies - To evaluate congenital or acquired abnormalities of the brain and skull.

2. Procedure

The echoencephalography procedure involves several key steps to ensure accurate imaging and assessment of the cranial cavity. The following outlines the procedural steps:

  • Preparation of the Patient - The patient is positioned comfortably, typically in a supine position, to facilitate access to the scalp. The area where the transducer will be applied is cleaned to ensure optimal contact and reduce any interference from hair or skin oils.
  • Application of the Transducer - A transducer probe is firmly placed against the scalp. This probe emits high-frequency sound waves that penetrate the skull and reflect off various intracranial structures, creating echoes that are captured for imaging.
  • Image Acquisition - The technician or physician monitors the real-time images produced by the ultrasound machine. This includes both two-dimensional (2-D) scanning, which provides a comprehensive view of the brain's structure, and A-mode encephalography, which may be utilized for one-dimensional measurements when necessary.
  • Documentation of Findings - The images obtained during the procedure are documented, typically in gray scale, to allow for detailed analysis. This documentation is crucial for subsequent interpretation by a qualified physician.
  • Post-Procedure Assessment - After the imaging is complete, the transducer is removed, and the patient may be monitored briefly to ensure there are no immediate adverse effects from the procedure.

3. Post-Procedure

Post-procedure care for echoencephalography is generally minimal due to the non-invasive nature of the test. Patients can typically resume normal activities immediately following the procedure. However, it is essential to monitor for any unusual symptoms that may arise, particularly if the procedure was performed in the context of a recent head injury or other significant medical condition. The results of the echoencephalography will be analyzed by a physician, who will provide a report detailing any findings related to ventricular size, cerebral contents, or the presence of fluid masses or other abnormalities. Follow-up appointments may be scheduled based on the findings and clinical indications.

Short Descr ECHO EXAM OF HEAD
Medium Descr ECHOENCEPHALOGRAPHY REAL TIME IMAGING
Long Descr Echoencephalography, real time with image documentation (gray scale) (for determination of ventricular size, delineation of cerebral contents, and detection of fluid masses or other intracranial abnormalities), including A-mode encephalography as secondary component where indicated
Status Code Active Code
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 1 - Diagnostic Tests for Radiology Services
Multiple Procedures (51) 0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator STV-Packaged Codes
ASC Payment Indicator Packaged service/item; no separate payment made.
Type of Service (TOS) 4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS) I3F - Echography/ultrasonography - other
MUE 1
CCS Clinical Classification 192 - Diagnostic ultrasound of head and neck
26 Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number.
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
76 Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
77 Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service.
AQ Physician providing a service in an unlisted health professional shortage area (hpsa)
GC This service has been performed in part by a resident under the direction of a teaching physician
Q6 Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
RT Right side (used to identify procedures performed on the right side of the body)
TC Technical component; under certain circumstances, a charge may be made for the technical component alone; under those circumstances the technical component charge is identified by adding modifier 'tc' to the usual procedure number; technical component charges are institutional charges and not billed separately by physicians; however, portable x-ray suppliers only bill for technical component and should utilize modifier tc; the charge data from portable x-ray suppliers will then be used to build customary and prevailing profiles
X5 Diagnostic services requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent and related services requested by another clinician; this modifier is reported for patient relationships that may not be adequately captured by the above alternative categories; reporting clinician service examples include but are not limited to, the radiologist's interpretation of an imaging study requested by another clinician
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2007-01-01 Changed Code description changed.
Pre-1990 Added Code added.
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