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ICD-10/Z91.51

Z91.51 ICD-10-CM Code: Personal history of suicidal behavior

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

  • MS-DRG 951 — OTHER FACTORS INFLUENCING HEALTH STATUS (MDC 23)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Personal history of suicidal behavior is a billable ICD-10-CM diagnosis code (Z91.51).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Z91.51 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Personal history of parasuicide
  • Personal history of self-poisoning
  • Personal history of suicide attempt

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • contact with and (suspected) exposures hazardous to health (Z77.-)
  • exposure to pollution and other problems related to physical environment (Z77.1-)
  • female genital mutilation status (N90.81-)
  • occupational exposure to risk factors (Z57.-)
  • personal history of physical injury and trauma (Z87.81, Z87.82-)

Code Also

Additional codes that may be required to fully describe the encounter.

  • mental health disorder, if known
  • any follow-up examination (Z08-Z09)

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z91.51 in its code family, with their registry titles.

  • Z91.414 — Personal history of adult intimate partner abuse
  • Z91.419 — Personal history of unspecified adult abuse
  • Z91.42 — Personal history of forced labor or sexual exploitation
  • Z91.49 — Other personal history of psychological trauma, not elsewhere classified
  • Z91.5 — Personal history of self-harm
  • Z91.52 — Personal history of nonsuicidal self-harm
  • Z91.8 — Other specified personal risk factors, not elsewhere classified
  • Z91.81 — History of falling
  • Z91.82 — Personal history of military deployment
  • Z91.83 — Wandering in diseases classified elsewhere

View all codes in the Z91 family

Indexed Clinical Terms (17)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • History, personal (of), parasuicide (attempt)
  • History, personal (of), physical trauma NEC, self-harm or suicide attempt
  • History, personal (of), poisoning NEC, self-harm or suicide attempt
  • History, personal (of), self-harm, suicidal
  • History, personal (of), self-poisoning attempt
  • History, personal (of), suicidal behavior
  • History, personal (of), suicide attempt
  • History, personal (of), trauma NEC (physical), self-harm
  • Parasuicide (attempt), history of (personal)
  • Risk, suicidal, meaning personal history of attempted suicide
  • Self-harm (attempted), history (personal), suicidal
  • Self-mutilation (attempted), history (personal), suicidal
  • Self-poisoning, history (personal)
  • Suicide, suicidal (attempted), history of (personal)
  • Suicide, suicidal (attempted), risk, meaning personal history of attempted suicide
  • Suicide, suicidal (attempted), tendencies, meaning personal history of attempted suicide
  • Tendency, suicide, meaning personal history of attempted suicide