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Y73.8 ICD-10-CM Code: Miscellaneous gastroenterology and urology devices associated with adverse incidents, not elsewhere classified

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FY 2026 Apr update / External causes of morbidity (V00-Y99) / Medical devices associated with adverse incidents in diagnostic and therapeutic use (Y70-Y82)

Y73.8

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Miscellaneous gastroenterology and urology devices associated with adverse incidents, not elsewhere classified

An adverse event or injury caused by a gastrointestinal or urinary device that does not fit into other specific categories, such as unusual or miscellaneous GI/urinary equipment.

CMS-HCC V28

0

0

RAF 0

CMS-HCC V24

0

0

RAF 0

ACA/HHS

0

0

RAF 0

ESRD/PACE

0

0

RAF 0

RXHCC

0

0

RAF 0

Code Trumping

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Code Book Path

Official
Y73Gastroenterology and urology devices associated with adverse incidents
Y73.8Miscellaneous gastroenterology and urology devices associated with adverse incidents, not elsewhere classified

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for Y73.8 in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for Y73.8 in this effective period.

Related Child Codes

Official
Y73.0Diagnostic and monitoring gastroenterology and urology devices associated with adverse incidents
Y73.1Therapeutic (nonsurgical) and rehabilitative gastroenterology and urology devices associated with adverse incidents
Y73.2Prosthetic and other implants, materials and accessory gastroenterology and urology devices associated with adverse incidents
Y73.3Surgical instruments, materials and gastroenterology and urology devices (including sutures) associated with adverse incidents

Includes

Official

ICD-10-CM does not list Includes notes for Y73.8 in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for Y73.8 in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for Y73.8 in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for Y73.8 in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for Y73.8 in this effective period.

Buddy Documentation Tip

HCC Buddy guidance
This is a catch-all code for GI/urinary device-related incidents not classified elsewhere; document the specific device in clinical notes
Verify that more specific Y73 codes (Y73.0-Y73.3) are not applicable before assigning this code

Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.

Is Y73.8 an HCC code?

No. Y73.8 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Y73.8 is the ICD-10-CM diagnosis code for miscellaneous gastroenterology and urology devices associated with adverse incidents, not elsewhere classified. An adverse event or injury caused by a gastrointestinal or urinary device that does not fit into other specific categories, such as unusual or miscellaneous GI/urinary equipment. Y73.8 sits in the ICD-10-CM chapter for external causes of morbidity (v00-y99), within the section covering medical devices associated with adverse incidents in diagnostic and therapeutic use (y70-y82).

Y73.8 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

This is a catch-all code for GI/urinary device-related incidents not classified elsewhere; document the specific device in clinical notes.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for Y73.8 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

  • This is a catch-all code for GI/urinary device-related incidents not classified elsewhere; document the specific device in clinical notes
  • Verify that more specific Y73 codes (Y73.0-Y73.3) are not applicable before assigning this code

Child Codes

Code Hierarchy

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