ICD-10-CM Z17.42: Hormone receptor negative

ICD-10-CM Diagnosis Code (2025)

Official Description for Z17.42

Hormone receptor negative

Coding Notes & Guidelines for Z17.42

Inclusion Terms

HR-

Inclusion Terms

HR- with HER2+

Inclusion Terms
  • HR- with HER2-
  • TNBC
  • Triple negative breast cancer

Parent Code (Less Specific):

About ICD-10-CM Code Z17.42 (Hormone receptor negative)

ICD-10-CM code Z17.42 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z17.42 became effective on October 1, 2024.

This page provides detailed information about Z17.42 - Hormone receptor negative. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Hormone receptor negative.