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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group BW4F includes procedures performed to visualize anatomy or flow information in the neck. These ICD-10-PCS codes are used for inpatient documentation when real-time ultrasonography of the neck is performed to assess structures or blood flow. Accurate coding within the ICD-10-PCS BW4F group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Neck Ultrasonography Procedure Overview

This procedure group covers real-time display imaging procedures that use high frequency sound waves to evaluate the neck. Procedures target the anatomical regions of the neck and capture reflected and attenuated sound wave data to produce images or flow information. Accurate ICD-10-PCS coding of these ultrasonography procedures supports proper inpatient documentation and reimbursement by reflecting the procedure performed and the anatomical focus.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
W	Body System	Anatomical Regions
4	Operation	Ultrasonography
F	Body Part	Neck

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

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Neck Ultrasonography Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
W	Body System	Anatomical Regions
4	Operation	Ultrasonography
F	Body Part	Neck

When to Use

Use codes from this group when real-time ultrasonography is performed on the neck to evaluate anatomy or blood flow. Select the specific ICD-10-PCS code that corresponds to the procedure details documented in the inpatient record.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
BW4FZZZ	Ultrasonography of Neck

Typical Clinical Scenarios

An elderly patient is admitted with acute onset neck swelling and a rapidly enlarging palpable mass near the thyroid region causing concern for hemorrhage into a thyroid nodule or infected lymph node. Bedside real-time ultrasonography of the neck is performed to evaluate the size, cystic or solid nature of the mass, its relationship to surrounding structures, and to assess vascularity prior to determining need for urgent intervention. Imaging guides inpatient diagnostic and management decisions including possible aspiration or surgical consultation. Typical codes: BW4FZZZ
A hospitalized patient with a history of carotid artery disease is scheduled for a non-emergent inpatient evaluation to assess carotid and neck soft tissue structures following new neurologic symptoms. Real-time ultrasonography of the neck is performed to visualize carotid bifurcation flow, detect stenosis or thrombosis, and evaluate adjacent lymph nodes or soft tissues as part of the planned inpatient diagnostic workup. Typical codes: BW4FZZZ
A postoperative patient in the inpatient setting develops a suspected neck wound hematoma with airway compromise risk after thyroid or neck surgery. Urgent bedside ultrasonography of the neck is used to identify the presence and extent of fluid collection or hematoma and to assess compressive effects on the airway and neck vasculature, informing emergent return to the operating room or bedside evacuation decisions. Typical codes: BW4FZZZ

Related Codes

BW40-ABDOMEN-ULTRASONOGRAPHY

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

BW41-ABDOMEN-AND-PELVIS-REAL-TIME-DISPLAY-ABDOMEN-AND-PELVIS

ICD-10-PCS Code For Abdomen And Pelvis: Procedure Code Group Overview

BW4G-PELVIC-REGION-ULTRASONOGRAPHY

ICD-10-PCS Code For Pelvic Region: 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.

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When to Use

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
BW4FZZZ	Ultrasonography of Neck

Typical Clinical Scenarios

An elderly patient is admitted with acute onset neck swelling and a rapidly enlarging palpable mass near the thyroid region causing concern for hemorrhage into a thyroid nodule or infected lymph node. Bedside real-time ultrasonography of the neck is performed to evaluate the size, cystic or solid nature of the mass, its relationship to surrounding structures, and to assess vascularity prior to determining need for urgent intervention. Imaging guides inpatient diagnostic and management decisions including possible aspiration or surgical consultation. Typical codes: BW4FZZZ
A hospitalized patient with a history of carotid artery disease is scheduled for a non-emergent inpatient evaluation to assess carotid and neck soft tissue structures following new neurologic symptoms. Real-time ultrasonography of the neck is performed to visualize carotid bifurcation flow, detect stenosis or thrombosis, and evaluate adjacent lymph nodes or soft tissues as part of the planned inpatient diagnostic workup. Typical codes: BW4FZZZ
A postoperative patient in the inpatient setting develops a suspected neck wound hematoma with airway compromise risk after thyroid or neck surgery. Urgent bedside ultrasonography of the neck is used to identify the presence and extent of fluid collection or hematoma and to assess compressive effects on the airway and neck vasculature, informing emergent return to the operating room or bedside evacuation decisions. Typical codes: BW4FZZZ

Related Codes

BW40-ABDOMEN-ULTRASONOGRAPHY

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

BW41-ABDOMEN-AND-PELVIS-REAL-TIME-DISPLAY-ABDOMEN-AND-PELVIS

ICD-10-PCS Code For Abdomen And Pelvis: Procedure Code Group Overview

BW4G-PELVIC-REGION-ULTRASONOGRAPHY

ICD-10-PCS Code For Pelvic Region: 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 Neck: Procedure Code Group Overview

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

Neck Ultrasonography Procedure Overview

Code Attributes

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

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

Neck Ultrasonography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What does the ICD-10-PCS code group `BW4F` represent?

Which specific ICD-10-PCS code is listed in this procedure group?

In which ICD-10-PCS section and body system is this group classified?

How does accurate coding within the `BW4F` group affect inpatient documentation and reimbursement?

What types of procedures are covered by the Neck Ultrasonography Procedure Overview?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What does the ICD-10-PCS code group `BW4F` represent?

Which specific ICD-10-PCS code is listed in this procedure group?

In which ICD-10-PCS section and body system is this group classified?

How does accurate coding within the `BW4F` group affect inpatient documentation and reimbursement?

What types of procedures are covered by the Neck Ultrasonography Procedure Overview?

References