Z84.89 — Family history of other specified conditions
Is Z84.89 billable?
Yes, but Z84.89 is an unspecified code. Z84.89 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Z84.89 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Z84.89 — the more specific alternatives are listed below.
More specific alternatives
Z84.89 at a glance
| Code | Z84.89 |
|---|---|
| Description | Family history of other specified conditions |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z84.89?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z84.89 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does Z84.89 group to?
Z84.89 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 951Other Factors Influencing Health Statusmedical
How is Z84.89 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z84.89. They show the wording a clinician may have documented, which often differs from the Tabular description.
- History › family › allergy NEC
- History › family › specified condition NEC
- History › family › disease or disorder › allergic NEC
- History › family › disease or disorder › specified NEC
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z84.89 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
How long has Z84.89 existed?
Z84.89 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.