Y07.436 Stepsister, perpetrator of maltreatment and neglect

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applies from Y07 Perpetrator of assault, maltreatment and neglect

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

Notes

• 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

Approximate ICD-9-CM (GEMs)

• E967.5 Perpetrator of child and adult abuse, by sibling (approximate)
• E968.4 Assault by criminal neglect (approximate)

Code annotations containing back-references to Y07.436

Back-references to Y07.436

• Type 1 Excludes: Y07.41 Sibling, perpetrator of maltreatment and neglect ("stepsibling, perpetrator of maltreatment and neglect (Y07.435, Y07.436)")

Back-references to Y07

• Use Additional: O9A.3 Physical abuse complicating pregnancy, childbirth and the puerperium ("to identify the perpetrator of abuse (Y07.-)")
• Use Additional: O9A.4 Sexual abuse complicating pregnancy, childbirth and the puerperium ("to identify the perpetrator of abuse (Y07.-)")
• Use Additional: O9A.5 Psychological abuse complicating pregnancy, childbirth and the puerperium ("code to identify the perpetrator of abuse (Y07.-)")
• Use Additional: T74 Adult and child abuse, neglect and other maltreatment, confirmed ("external cause code to identify perpetrator, if known (Y07.-)")

Diagnosis Index entries for Y07.436

• Perpetrator, perpetration, of assault, maltreatment and neglect (by) › stepsister

Nearby codes

• Y07.430 Stepfather, perpetrator of maltreatment and neglect
• Y07.432 Male friend of parent (co-residing in household), perpetrator of maltreatment and neglect
• Y07.433 Stepmother, perpetrator of maltreatment and neglect
• Y07.434 Female friend of parent (co-residing in household), perpetrator of maltreatment and neglect
• Y07.435 Stepbrother, perpetrator of maltreatment and neglect
• Y07.436 Stepsister, perpetrator of maltreatment and neglect (this code)
• Y07.44 Child, perpetrator of maltreatment and neglect
• Y07.45 Grandchild, perpetrator of maltreatment and neglect
• Y07.46 Grandparent, perpetrator of maltreatment and neglect
• Y07.47 Parental sibling, perpetrator of maltreatment and neglect
• Y07.49 Other family member, perpetrator of maltreatment and neglect