2026 ICD-10-CM Diagnosis Code Z87.790Personal history of (corrected) congenital malformations of face and neck

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z87

ICD-10-CM Z87.790
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z87.790 is a billable ICD-10-CM diagnosis code for personal history of (corrected) congenital malformations of face and neck. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Personal history of other disease.

Code Identity

ICD-10-CM Code
Z87.790
Billable Status
Yes — Valid for Submission
Code Describes
Personal history of (corrected) congenital malformations of face and neck
Short Description
Personal history of congenital malform of face and neck
Parent Code
Z87.79
Personal history of other (corrected) congenital malformations

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
CategoryZ87Personal history of other diseases and conditions
This CodeZ87.790Personal history of (corrected) congenital malformations of face and neck

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z87.790.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Present on Admission (POA)Billing

Z87.790 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • History
      • personal (of)
        • congenital malformation (corrected)
          • face and neck (corrected)
    • History
      • personal (of)
        • congenital malformation (corrected)
          • neck (corrected)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC030
Personal history of other disease
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Birth Defects

A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Z87.790 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V13.64 Hx-cong malform-eye,face
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z87.790Overview

Is Z87.790 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report personal history of (corrected) congenital malformations of face and neck on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z87.790 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because personal history of (corrected) congenital malformations of face and neck describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z87.790 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for personal history of (corrected) congenital malformations of face and neck on inpatient claims.

What is the ICD-9 equivalent of Z87.790?

Under the General Equivalence Mappings, personal history of (corrected) congenital malformations of face and neck converts to ICD-9-CM V13.64 (hx-cong malform-eye,face). The mapping is approximate, so confirm the match fits the documentation.