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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group BY48 includes procedures performed to image and evaluate the placenta using ultrasonography in the fetus and obstetrical anatomical location. These ICD-10-PCS codes are used for inpatient documentation when real-time ultrasound imaging of placental anatomy or flow information is performed for obstetrical assessment. Accurate coding within the ICD-10-PCS BY48 group is essential for proper inpatient reimbursement, as it captures the imaging procedure performed and supports clinical documentation accuracy.

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Placenta Ultrasonography Procedure Overview

Procedures in this group involve real-time display of images of the placenta developed from reflected and attenuated high-frequency sound waves and target the fetus and obstetrical body system. Ultrasonography of the placenta captures anatomy and flow information to evaluate placental location, structure, and blood flow. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the specific imaging procedure performed and supports appropriate case mix and payment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
Y	Body System	Fetus and Obstetrical
4	Operation	Ultrasonography
8	Body Part	Placenta

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

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Placenta Ultrasonography Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
Y	Body System	Fetus and Obstetrical
4	Operation	Ultrasonography
8	Body Part	Placenta

When to Use

Use a code from this group when real-time ultrasound is performed to evaluate placental position, structure, or blood flow during an inpatient obstetrical encounter. Select the code when the documented procedure specifically describes ultrasonography of the placenta as the operative imaging procedure.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
BY48ZZZ	Ultrasonography of Placenta

Typical Clinical Scenarios

A pregnant patient at 32 weeks gestation is admitted for new-onset vaginal bleeding and concerns for placental abruption; obstetrical teams require real-time assessment of placental location and integrity to evaluate for retroplacental hematoma and guide management decisions, prompting inpatient ultrasonography of the placenta. Typical codes: BY48ZZZ
A term pregnant patient is admitted for scheduled induction of labor with a history of prior cesarean delivery and placenta previa identified on outpatient imaging; inpatient placental ultrasonography is performed to confirm placental position and assess relationships to the cervical os before proceeding with delivery planning. Typical codes: BY48ZZZ
A pregnant patient with preeclampsia and suspected uteroplacental insufficiency is hospitalized for maternal monitoring and fetal assessment; clinicians perform real-time placental ultrasound to evaluate placental structure and blood flow as part of the inpatient evaluation of fetal well-being and to inform timing of delivery. Typical codes: BY48ZZZ

ICD-10-PCS Code For Fetal Umbilical Cord: Procedure Code Group Overview

BY49-FIRST-TRIMESTER-SINGLE-FETUS-ULTRASONOGRAPHY

ICD-10-PCS Code For First Trimester Single Fetus: Procedure Code Group Overview

BY4B-FIRST-TRIMESTER-MULTIPLE-GESTATION-ULTRASONOGRAPHY

ICD-10-PCS Code For First Trimester, Multiple Gestation: Procedure Code Group Overview

BY4C-SECOND-TRIMESTER-ULTRASONOGRAPHY

ICD-10-PCS Code For Second Trimester, Single Fetus: Procedure Code Group Overview

BY4D-SECOND-TRIMESTER-MULTIPLE-GESTATION-ULTRASONOGRAPHY

ICD-10-PCS Code For Second Trimester, Multiple Gestation: Procedure Code Group Overview

BY4F-THIRD-TRIMESTER-SINGLE-FETUS-ULTRASONOGRAPHY

ICD-10-PCS Code For Third Trimester Single Fetus: Procedure Code Group Overview

BY4G-THIRD-TRIMESTER-MULTIPLE-GESTATION-ULTRASONOGRAPHY

ICD-10-PCS Code For Third Trimester, Multiple Gestation: 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
BY48ZZZ	Ultrasonography of Placenta

Typical Clinical Scenarios

A pregnant patient at 32 weeks gestation is admitted for new-onset vaginal bleeding and concerns for placental abruption; obstetrical teams require real-time assessment of placental location and integrity to evaluate for retroplacental hematoma and guide management decisions, prompting inpatient ultrasonography of the placenta. Typical codes: BY48ZZZ
A term pregnant patient is admitted for scheduled induction of labor with a history of prior cesarean delivery and placenta previa identified on outpatient imaging; inpatient placental ultrasonography is performed to confirm placental position and assess relationships to the cervical os before proceeding with delivery planning. Typical codes: BY48ZZZ
A pregnant patient with preeclampsia and suspected uteroplacental insufficiency is hospitalized for maternal monitoring and fetal assessment; clinicians perform real-time placental ultrasound to evaluate placental structure and blood flow as part of the inpatient evaluation of fetal well-being and to inform timing of delivery. Typical codes: BY48ZZZ

ICD-10-PCS Code For Fetal Umbilical Cord: Procedure Code Group Overview

BY49-FIRST-TRIMESTER-SINGLE-FETUS-ULTRASONOGRAPHY

ICD-10-PCS Code For First Trimester Single Fetus: Procedure Code Group Overview

BY4B-FIRST-TRIMESTER-MULTIPLE-GESTATION-ULTRASONOGRAPHY

ICD-10-PCS Code For First Trimester, Multiple Gestation: Procedure Code Group Overview

BY4C-SECOND-TRIMESTER-ULTRASONOGRAPHY

ICD-10-PCS Code For Second Trimester, Single Fetus: Procedure Code Group Overview

BY4D-SECOND-TRIMESTER-MULTIPLE-GESTATION-ULTRASONOGRAPHY

ICD-10-PCS Code For Second Trimester, Multiple Gestation: Procedure Code Group Overview

BY4F-THIRD-TRIMESTER-SINGLE-FETUS-ULTRASONOGRAPHY

ICD-10-PCS Code For Third Trimester Single Fetus: Procedure Code Group Overview

BY4G-THIRD-TRIMESTER-MULTIPLE-GESTATION-ULTRASONOGRAPHY

ICD-10-PCS Code For Third Trimester, Multiple Gestation: 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.

OpenPayer

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

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

Placenta Ultrasonography Procedure Overview

Code Attributes

OpenPayer

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

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

Placenta Ultrasonography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

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

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

Placenta Ultrasonography Procedure Overview

Code Attributes

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

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

Placenta 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 placenta?

What body system and operation are captured by the BY48 code group?

What clinical information does ultrasonography of the placenta document?

Why is accurate coding in the BY48 group important for inpatient care?

In which ICD-10-PCS section is placenta ultrasonography classified?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

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

What body system and operation are captured by the BY48 code group?

What clinical information does ultrasonography of the placenta document?

Why is accurate coding in the BY48 group important for inpatient care?

In which ICD-10-PCS section is placenta ultrasonography classified?

References