ICDcodes.org
FY2027

Y07.421Foster mother, perpetrator of maltreatment and neglect

Billable

Is Y07.421 billable?

Yes — Y07.421 is billable for FY2027. Y07.421 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Y07.421 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Y07.421 at a glance

CodeY07.421
DescriptionFoster mother, perpetrator of maltreatment and neglect
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is Y07.421 listed in the External Cause Index?

These are the routes through the External Cause of Injuries Index that lead to Y07.421 — how the injury happened, rather than what the injury was.

  • Perpetrator, perpetration, of assault, maltreatment and neglectfoster mother (by)
  • Perpetrator, perpetration, of assault, maltreatment and neglectmotherfoster (by)

Excludes1 — never code together — inherited from X92-Y09

The conditions below can never be reported together with Y07.421 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • injuries due to legal intervention (Y35.-)
  • injuries due to operations of war (Y36.-)
  • injuries due to terrorism (Y38.-)

How long has Y07.421 existed?

Y07.421 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.

What other codes are in the Y07.42 family? (1)