Z87.790 — Personal history of (corrected) congenital malformations of face and neck
Is Z87.790 billable?
Yes — Z87.790 is billable for FY2027. Z87.790 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z87.790 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z87.790 at a glance
| Code | Z87.790 |
|---|---|
| Description | Personal history of (corrected) congenital malformations of face and neck |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z87.790?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z87.790 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 Z87.790 group to?
Z87.790 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 Z87.790 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z87.790. They show the wording a clinician may have documented, which often differs from the Tabular description.
- History › personal › congenital malformation › face and neck
- History › personal › congenital malformation › neck
Code first — inherited from Z87
The underlying condition below must be sequenced before Z87.790. Z87.790 describes a manifestation and cannot be the principal or first-listed diagnosis.
- any follow-up examination after treatment (Z09)
Excludes2 — not included here — inherited from Z87.7
The conditions below are not part of Z87.790, but a patient may have both at the same time. When documentation supports it, Z87.790 and the excluded code may both be reported.
- congenital malformations that have been partially corrected or repaired but which still require medical treatment - code to condition
- other postprocedural states (Z98.-)
- personal history of medical treatment (Z92.-)
- presence of cardiac and vascular implants and grafts (Z95.-)
- presence of other devices (Z97.-)
- presence of other functional implants (Z96.-)
- transplanted organ and tissue status (Z94.-)
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z87.790 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
How long has Z87.790 existed?
Z87.790 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.