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ICD-10-CM 2027 diagnosis code

Y07.9Unspecified perpetrator of maltreatment and neglect

✓ Billable / specificPOA exempt

Y07.9 is a valid, billable ICD-10-CM code for unspecified perpetrator of maltreatment and neglect. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About Y07.9

Y07.9 is the ICD-10-CM diagnosis code for unspecified perpetrator of maltreatment and neglect. It belongs to category Y07 (perpetrator of assault, maltreatment and neglect), block X92-Y09 (assault) and chapter 20 (external causes of morbidity). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

Within Y07, choose Y07.9 (Unspecified perpetrator of maltreatment and neglect) only when documentation doesn't support a more specific option: spouse or partner, perpetrator of maltreatment and neglect (Y07.0), parent (adoptive) (biological), perpetrator of maltreatment and neglect (Y07.1), other family member, perpetrator of maltreatment and neglect (Y07.4), non-family member, perpetrator of maltreatment and neglect (Y07.5) and multiple perpetrators of maltreatment and neglect (Y07.6).

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

It is exempt from present-on-admission (POA) reporting, so no POA indicator is required.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as E967.9 (perpetrator of child and adult abuse, by unspecified person).

Notes that apply from higher levels

Instructions written at a parent level also apply to Y07.9.

› From Y07 Perpetrator of assault, maltreatment and neglect
Note
  • Codes from this category are for use only in cases of confirmed abuse (T74.-)
  • Selection of the correct perpetrator code is based on the relationship between the perpetrator and the victim
Includes
  • perpetrator of abandonment
  • perpetrator of emotional neglect
  • perpetrator of mental cruelty
  • perpetrator of physical abuse
  • perpetrator of physical neglect
  • perpetrator of sexual abuse
  • perpetrator of torture
  • perpetrator of verbal abuse

Broader instructions also apply from X92-Y09 Assault and Chapter 20: External causes of morbidity.

Alphabetic index entries

1 entries

Terms in the official ICD-10-CM index that lead to Y07.9.

ICD-9-CM equivalent

Converter →
  • E967.9Perpetrator of child and adult abuse, by unspecified personapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about Y07.9

Is Y07.9 billable?

Yes. Y07.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can Y07.9 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict Y07.9 as a principal diagnosis.

Is Y07.9 a CC or MCC?

No. Y07.9 is neither a CC nor an MCC under MS-DRG v44.0.

What is the ICD-9 code for Y07.9?

The CMS General Equivalence Mappings map Y07.9 to ICD-9-CM E967.9.