ICD-10-PCS Code For Brain: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group B040 includes procedures performed to image brain structures and flow information in the central nervous system. These ICD-10-PCS codes are used for inpatient documentation when real-time ultrasonography of the brain is performed for diagnostic assessment, monitoring, or guidance of care. Accurate coding within the ICD-10-PCS B040 group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

Customize your policy alerts

Sign up for ICD-10-PCS Code For Brain: Procedure Code Group Overview policy alerts

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Brain Ultrasonography Procedure Overview

This procedure group includes real-time ultrasonography of the brain, using high-frequency sound waves to create images of brain structures and flow information. Procedures target the central nervous system and the brain specifically and involve capture and display of reflected and attenuated sound waves. Accurate ICD-10-PCS coding of these procedures is important for proper inpatient documentation and reimbursement because it records the imaging modality and anatomical site.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
0	Body System	Central Nervous System
4	Operation	Ultrasonography
0	Body Part	Brain

Explore openpayer tools

View all tools

ICD-10-PCS Code For Brain: Procedure Code Group Overview

Customize your policy alerts

Sign up for ICD-10-PCS Code For Brain: Procedure Code Group Overview policy alerts

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Brain Ultrasonography Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
0	Body System	Central Nervous System
4	Operation	Ultrasonography
0	Body Part	Brain

When to Use

Use a code from this group when real-time ultrasonography of the brain is performed for diagnostic evaluation, monitoring, or procedural guidance. These codes apply when the imaging modality is ultrasonography and the anatomical focus is the brain within the central nervous system.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
B040ZZZ	Ultrasonography of Brain

Typical Clinical Scenarios

A term neonate in the neonatal intensive care unit with signs of increased head circumference and bulging fontanelle after a difficult delivery presents for assessment of suspected intraventricular hemorrhage; the infant is admitted for monitoring and bedside imaging to evaluate ventricular size and hemorrhage extent, so real-time brain ultrasonography is performed at the bedside for diagnosis and ongoing surveillance. Typical codes: B040ZZZ
An adult stroke patient admitted to the hospital with sudden-onset altered mental status and focal neurologic deficits undergoes urgent evaluation to differentiate ischemic from hemorrhagic processes and to assess for midline shift; transcranial ultrasonography is used as a rapid, bedside real-time imaging tool to evaluate cerebral blood flow and gross anatomic changes when other modalities are limited or for serial monitoring. Typical codes: B040ZZZ
A postoperative neurosurgical patient in the intensive care unit develops acute worsening neurologic examination and progressive pupillary asymmetry following tumor resection; bedside brain ultrasonography is performed to detect acute hydrocephalus or mass effect and to guide timely clinical decisions and potential interventions. Typical codes: B040ZZZ

Related Codes

B04B-SPINAL-CORD-ULTRASONOGRAPHY

ICD-10-PCS Code For Spinal Cord: Procedure Code Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Explore openpayer tools

View all tools

When to Use

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
B040ZZZ	Ultrasonography of Brain

Typical Clinical Scenarios

A term neonate in the neonatal intensive care unit with signs of increased head circumference and bulging fontanelle after a difficult delivery presents for assessment of suspected intraventricular hemorrhage; the infant is admitted for monitoring and bedside imaging to evaluate ventricular size and hemorrhage extent, so real-time brain ultrasonography is performed at the bedside for diagnosis and ongoing surveillance. Typical codes: B040ZZZ
An adult stroke patient admitted to the hospital with sudden-onset altered mental status and focal neurologic deficits undergoes urgent evaluation to differentiate ischemic from hemorrhagic processes and to assess for midline shift; transcranial ultrasonography is used as a rapid, bedside real-time imaging tool to evaluate cerebral blood flow and gross anatomic changes when other modalities are limited or for serial monitoring. Typical codes: B040ZZZ
A postoperative neurosurgical patient in the intensive care unit develops acute worsening neurologic examination and progressive pupillary asymmetry following tumor resection; bedside brain ultrasonography is performed to detect acute hydrocephalus or mass effect and to guide timely clinical decisions and potential interventions. Typical codes: B040ZZZ

Related Codes

B04B-SPINAL-CORD-ULTRASONOGRAPHY

ICD-10-PCS Code For Spinal Cord: Procedure Code Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-PCS Code For Brain: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Brain: Procedure Code Group Overview policy alerts

Brain Ultrasonography Procedure Overview

Code Attributes

ICD-10-PCS Code For Brain: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Brain: Procedure Code Group Overview policy alerts

Brain Ultrasonography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code is used for ultrasonography of the brain?

What does the B040 procedure group represent in ICD-10-PCS?

In which ICD-10-PCS section and body system is brain ultrasonography coded?

For what clinical purposes is `B040ZZZ` used according to the overview?

Why is accurate coding of the B040 group important for inpatient settings?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code is used for ultrasonography of the brain?

What does the B040 procedure group represent in ICD-10-PCS?

In which ICD-10-PCS section and body system is brain ultrasonography coded?

For what clinical purposes is `B040ZZZ` used according to the overview?

Why is accurate coding of the B040 group important for inpatient settings?

References