Is ICD-10-CM code Z09 billable?

Yes, Z09 (Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code Z09 belong to?

Z09 belongs to Chapter 21 of the ICD-10-CM tabular list: Z00–Z99 (Factors Influencing Health Status and Contact with Health Services).

Z09

Billable

ChapterZ00–Z99

Rankcategory

Description

Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

About ICD-10-CM code Z09

The ICD-10-CM tabular list places Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm at code Z09, inside Z00-Z99 Factors Influencing Health Status and Contact with Health Services, within Persons encountering health services for examinations (Z00-Z13). You can submit this code on claims since it carries full billing specificity.

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Z00-Z13 Parent Instructions

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

examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)

Instructional Notes

Includes

Medical surveillance following completed treatment

Excludes1(Not coded here. Use a different code.)

aftercare following medical care (Z43-Z49, Z51)
surveillance of contraception (Z30.4-)
surveillance of prosthetic and other medical devices (Z44-Z46)

Use Additional Code

code to identify any applicable history of disease code (Z86.-, Z87.-)

Clinical Hierarchy

BillableHas subcodes

CH21Factors influencing health status and contact with health services (Z00-Z99)

Z00-Z13Persons encountering health services for examinations (Z00-Z13)

Z09Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasmBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z09:

blockZ00-Z13

Persons encountering health services for examinations (Z00-Z13)

View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 951

Other Factors Influencing Health Status

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm.

Search PCS Codes