ICD-10-PCS Code For Single Mammary Duct Left: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group BH04 includes procedures performed to capture planar radiographic images of structures in the skin, subcutaneous tissue, and breast at the single mammary duct, left. These ICD-10-PCS codes are used for inpatient documentation when a diagnostic plain radiography examination of the left single mammary duct is performed to evaluate pathology or guide management. Accurate coding within the ICD-10-PCS BH04 group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Single Mammary Duct, Left Plain Radiography Procedure Overview

This procedure group includes plain radiography imaging of the single mammary duct on the left side, targeting the skin, subcutaneous tissue, and breast. Procedures involve planar capture of external ionizing radiation on a photographic or photoconductive plate to produce a diagnostic image of the duct. Accurate coding of these imaging procedures ensures inpatient records reflect the exact body part and operation, which affects case mix and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
H	Body System	Skin, Subcutaneous Tissue and Breast
0	Operation	Plain Radiography
4	Body Part	Single Mammary Duct, Left

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ICD-10-PCS Code For Single Mammary Duct Left: Procedure Code Group Overview

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Single Mammary Duct, Left Plain Radiography Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
H	Body System	Skin, Subcutaneous Tissue and Breast
0	Operation	Plain Radiography
4	Body Part	Single Mammary Duct, Left

When to Use

Use a code from this group when an inpatient undergoes a planar plain radiography examination specifically of the left single mammary duct. This applies when the imaging is performed to evaluate ductal pathology, assess clinical signs, or provide diagnostic information for inpatient care.

ICD-10-PCS Codes

4 rows

ICD-10-PCS Code	Description
BH040ZZ	Plain Radiography of Left Single Mammary Duct using High Osmolar Contrast
BH041ZZ	Plain Radiography of Left Single Mammary Duct using Low Osmolar Contrast
BH04YZZ	Plain Radiography of Left Single Mammary Duct using Other Contrast
BH04ZZZ	Plain Radiography of Left Single Mammary Duct

Typical Clinical Scenarios

A middle-aged woman admitted for evaluation of acute unilateral bloody nipple discharge and localized breast pain with suspicion for ductal injury or intraductal lesion; inpatient plain radiography is ordered to visualize the single left mammary duct and assess for ductal dilation, calcification, or foreign material before further intervention. Typical codes: BH04ZZZ
An inpatient admitted for planned diagnostic workup of an identified intraductal mass on ultrasound causing recurrent serous nipple discharge; targeted planar radiography of the left single mammary duct is performed using low osmolar contrast to outline the ductal architecture and help characterize the lesion prior to surgical planning. Typical codes: BH041ZZ
A patient hospitalized after recent percutaneous ductal procedure develops suspected contrast extravasation and persistent ductal leak on the left; bedside plain radiography with high osmolar contrast is performed to delineate the leak and confirm the extent of ductal compromise. Typical codes: BH040ZZ

Related Codes

BH00-RIGHT-BREAST-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Right Breast: Procedure Code Group Overview

BH01-LEFT-BREAST-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Left Breast: Procedure Code Group Overview

BH02-BREASTS-PLAIN-RADIOGRAPHY

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

BH03-SINGLE-MAMMARY-DUCT-RIGHT-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Single Mammary Duct Right: Procedure Code Group Overview

BH05-MULTIPLE-MAMMARY-DUCTS-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Multiple Mammary Ducts: Procedure Code Group Overview

BH06-LEFT-MULTIPLE-MAMMARY-DUCTS-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Multiple Mammary Ducts Left: 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

4 rows

ICD-10-PCS Code	Description
BH040ZZ	Plain Radiography of Left Single Mammary Duct using High Osmolar Contrast
BH041ZZ	Plain Radiography of Left Single Mammary Duct using Low Osmolar Contrast
BH04YZZ	Plain Radiography of Left Single Mammary Duct using Other Contrast
BH04ZZZ	Plain Radiography of Left Single Mammary Duct

Typical Clinical Scenarios

A middle-aged woman admitted for evaluation of acute unilateral bloody nipple discharge and localized breast pain with suspicion for ductal injury or intraductal lesion; inpatient plain radiography is ordered to visualize the single left mammary duct and assess for ductal dilation, calcification, or foreign material before further intervention. Typical codes: BH04ZZZ
An inpatient admitted for planned diagnostic workup of an identified intraductal mass on ultrasound causing recurrent serous nipple discharge; targeted planar radiography of the left single mammary duct is performed using low osmolar contrast to outline the ductal architecture and help characterize the lesion prior to surgical planning. Typical codes: BH041ZZ
A patient hospitalized after recent percutaneous ductal procedure develops suspected contrast extravasation and persistent ductal leak on the left; bedside plain radiography with high osmolar contrast is performed to delineate the leak and confirm the extent of ductal compromise. Typical codes: BH040ZZ

Related Codes

BH00-RIGHT-BREAST-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Right Breast: Procedure Code Group Overview

BH01-LEFT-BREAST-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Left Breast: Procedure Code Group Overview

BH02-BREASTS-PLAIN-RADIOGRAPHY

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

BH03-SINGLE-MAMMARY-DUCT-RIGHT-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Single Mammary Duct Right: Procedure Code Group Overview

BH05-MULTIPLE-MAMMARY-DUCTS-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Multiple Mammary Ducts: Procedure Code Group Overview

BH06-LEFT-MULTIPLE-MAMMARY-DUCTS-PLAIN-RADIOGRAPHY

ICD-10-PCS Code For Multiple Mammary Ducts Left: 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 Single Mammary Duct Left: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Single Mammary Duct Left: Procedure Code Group Overview policy alerts

Single Mammary Duct, Left Plain Radiography Procedure Overview

Code Attributes

ICD-10-PCS Code For Single Mammary Duct Left: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Single Mammary Duct Left: Procedure Code Group Overview policy alerts

Single Mammary Duct, Left Plain Radiography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does the BH04 code group represent?

When should an inpatient record use a code from the BH04 group?

What specific ICD-10-PCS codes are included in the Single Mammary Duct, Left group?

What clinical areas of anatomy are targeted by procedures in BH04?

Why is accurate coding within the BH04 group important for inpatient billing?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does the BH04 code group represent?

When should an inpatient record use a code from the BH04 group?

What specific ICD-10-PCS codes are included in the Single Mammary Duct, Left group?

What clinical areas of anatomy are targeted by procedures in BH04?

Why is accurate coding within the BH04 group important for inpatient billing?

References