ICD-10-PCS Billable Code

BH06YZZ

Plain Radiography Multiple Mammary Ducts, Left to None with None, Other Contrast Approach

Procedural Specifications

Clinical Axis Detail Definition
SectionB Imaging
Body SystemH Skin, Subcutaneous Tissue and Breast
Operation0 Plain Radiography
Body Part6 Multiple Mammary Ducts, Left
ApproachY Other Contrast
DeviceZ None
QualifierZ None

Operation Definition

Planar display of an image developed from the capture of external ionizing radiation on photographic or photoconductive plate

Procedure Overview

This family covers plain film X-rays of the skin, subcutaneous tissue, and breast, with mammography as the dominant example. A machine sends a small dose of X-rays through the tissue onto a detector plate, and denser structures like calcifications or masses appear lighter against the surrounding fat and glandular tissue.

Mammography is used for routine breast cancer screening in women without symptoms, as well as for diagnostic evaluation when a lump, pain, nipple discharge, or skin change has been noticed. Beyond the breast, plain films of skin and subcutaneous tissue can help locate a foreign body such as glass or metal fragments lodged just beneath the skin surface, which is a much less common but still valid use of this family.

Coders need to determine whether the study was a screening or diagnostic mammogram, since these follow different coding pathways despite using the same imaging technique. The report should also specify laterality, since one-sided and bilateral studies are captured differently. A frequent mistake is coding a diagnostic mammogram, ordered to work up a specific finding, as if it were a routine screening study, or overlooking that a foreign body localization film belongs in this same family rather than under a general musculoskeletal X-ray code.

Anatomy & Axis Detail

Multiple Mammary Ducts, Left

This study addresses two or more lactiferous ducts of the left breast, distinguishing it from single-duct galactography when nipple discharge cannot be traced to one discrete opening. Contrast material is delivered into multiple ductal orifices to outline the branching network, helping identify diffuse changes such as widespread ductal ectasia, multiple papillomas, or scattered filling defects that a single-duct study would miss. The left-sided designation must be recorded accurately alongside the multiple-duct scope, since both details shape how surgeons interpret the extent of disease before considering duct excision. Because several ducts are cannulated, the procedure and resulting images are inherently more complex than a single-duct galactogram.

Contrast: Other Contrast

Other Contrast captures imaging studies using a contrast medium that is neither high- nor low-osmolar iodinated agent, such as barium sulfate for gastrointestinal studies or gadolinium-based agents for certain applications outside standard MRI classification within this axis. It is used when the contrast administered does not fit the osmolarity-based iodinated categories, distinguishing it from those specific classes and from studies performed with no contrast.

Coding & Documentation

Verify whether the encounter documentation supports screening versus diagnostic intent, since the physician order and report should state a reason such as a palpable mass or abnormal screening result for a diagnostic study. Laterality and view count should be checked against the report rather than assumed from prior visits.

Commonly Confused With

Diagnostic and screening mammograms are the pair most often mixed up in this family, distinguished only by the documented clinical reason for the exam rather than by the technique used, which is identical for both.