2025 ICD-10-CM Procedure Code BY4GZZZ

Ultrasonography of Third Trimester, Multiple Gestation

ICD-10-PCS Code:: BY4GZZZ
ICD-10-PCS Code for:: Ultrasonography of Third Trimester, Multiple Gestation
Is Billable?: Yes - Valid for Submission
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BY4GZZZ is a billable procedure code used to specify the performance of ultrasonography of third trimester, multiple gestation. The code is valid for the year 2025 for the submission of HIPAA-covered transactions. The procedure code involves real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves.

Table of Contents

Code Information
PCS Table
Clinical Classification
Convert to ICD-9-PCS
Other Similar Codes

BY4GZZZ PCS Table

In an PCS table each code is represented by up seven alphanumeric characters, with each character in the table respresenting different aspects of the procedure. In the table provided below, each row represents an individual character and includes information about the character's position, designation, label, and procedure notes. For this PCS table the procedure code is in the imaging section and is part of the fetus and obstetrical body system, classified under ultrasonography type. The applicable bodypart for this procedure code is third trimester, multiple gestation.

Position	Designation	Character	Label	Procedures Notes
1	Section	B	Imaging
2	Body System	Y	Fetus and Obstetrical
3	Type	4	Ultrasonography	Involves: Real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves
4	BodyPart	G	Third Trimester, Multiple Gestation
5	Contrast	Z	None	Explanation: The value Z is used for the fifth character to indicate that a specific contrast does not apply to the procedure.
6	Qualifier	Z	None	Explanation: The value Z is used for the sixth character to indicate that a specific qualifier does not apply to the procedure.
7	Qualifier	Z	None	Explanation: The value Z is used for the seventh character to indicate that a specific qualifier does not apply to the procedure.

Clinical Classification

Ultrasonography

CCSR Code: IMG008

Clinical Domain: Imaging IMG contains 10 categories that include procedures comprising ultrasound, magnetic resonance imaging (MRI), fluoroscopy (classified for heart and circulatory versus other structures), computerized tomography (CT), and plain radiography.

Convert to ICD-9-PCS

Below are the ICD-9=PCS code(s) that most closely match this ICD-10-PCS code, based on the General Equivalence Mappings (GEMs). This ICD-10-PCS to ICD-9-PCS crosswalk tool is helpful for coders who need to reference legacy diagnosis codes for audits, historical claims, or approximate code comparisons.

ICD-9-PCS Code

Code: 8878

Approximate Flag: This is an approximate match. The ICD-9-PCS code reflects a close but not exact equivalent of the ICD-10-PCS procedure.

Other ICD-10-PCS Codes Used for Ultrasonography Third Trimester, Multiple Gestation

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What is ICD-10-PCS?

The ICD-10 Procedure Coding System (ICD-10-PCS) is a catalog of procedural codes used by medical professionals for hospital inpatient healthcare settings. The Centers for Medicare and Medicaid Services (CMS) maintain the catalog in the U.S. releasing yearly updates. The 2025 ICD-10-PCS codes are to be used for discharges occurring from October 1, 2024 through September 30, 2025.

Each ICD-10-PCS code has a structure of seven alphanumeric characters and contains no decimals. The first character defines the major "section". Depending on the "section" the second through seventh characters mean different things.