ICD-10-CM 2027 diagnosis code

Z19Hormone sensitivity malignancy status

Not billable — use a more specific code

Z19 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.

Code last changed in FY2017 (effective October 1, 2016). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About Z19

Z19 is the ICD-10-CM diagnosis code for hormone sensitivity malignancy status. It belongs to block Z19 (hormone sensitivity malignancy status) and chapter 21 (factors influencing health status and contact with health services). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: Z19.1 (status) and Z19.2 (status).

Code first: malignant neoplasm - see Table of Neoplasms, by site, malignant.

It was added in FY2017, effective October 1, 2016.

Specific codes under Z19

Coding notes

Code firstSequence the underlying condition first

malignant neoplasm - see Table of Neoplasms, by site, malignant

Notes that apply from higher levels

Instructions written at a parent level also apply to Z19.

Broader instructions also apply from Chapter 21: Factors influencing health status and contact with health services.

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2017 (effective 10/1/2016): Added
No changes since FY2017.

Common questions about Z19

Is Z19 billable?: No. Z19 is a header code. Report one of its more specific subcodes instead.