Is ICD-10-CM code Y78 billable?

No, Y78 (Radiological devices associated with adverse incidents) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code Y78 belong to?

Y78 belongs to Chapter 20 of the ICD-10-CM tabular list: V00–Y99 (External Causes of Morbidity).

Y78Non-billable

Radiological devices associated with adverse incidents

External Causes of Morbidity·Medical devices associated with adverse incidents in diagnostic and therapeutic use (Y70-Y82)·category·FY 2026

Use a more specific code (5 billable)

Y78.0Diagnostic and monitoring radiological devices associated with adverse incidents Y78.1Therapeutic (nonsurgical) and rehabilitative radiological devices associated with adverse incidents Y78.2Prosthetic and other implants, materials and accessory radiological devices associated with adverse incidents Y78.3Surgical instruments, materials and radiological devices (including sutures) associated with adverse incidents Y78.8Miscellaneous radiological devices associated with adverse incidents, not elsewhere classified

Y70-Y82 Parent Instructions

Includes

breakdown or malfunction of medical devices (during use) (after implantation) (ongoing use)

Excludes2(Not included here. Code separately if applicable.)

later complications following use of medical devices without breakdown or malfunctioning of device (Y83-Y84)
misadventure to patients during surgical and medical care, classifiable to (Y62-Y69)
surgical and other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure (Y83-Y84)

Clinical Hierarchy

BillableHas subcodes

CH20External causes of morbidity (V00-Y99)

Y70-Y82Medical devices associated with adverse incidents in diagnostic and therapeutic use (Y70-Y82)

Y78Radiological devices associated with adverse incidentsNot billable

Y78.0Diagnostic and monitoring radiological devices associated with adverse incidentsBillable

Y78.1Therapeutic (nonsurgical) and rehabilitative radiological devices associated with adverse incidentsBillable

Y78.2Prosthetic and other implants, materials and accessory radiological devices associated with adverse incidentsBillable

Y78.3Surgical instruments, materials and radiological devices (including sutures) associated with adverse incidentsBillable

Y78.8Miscellaneous radiological devices associated with adverse incidents, not elsewhere classifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.