Z91.51 – Personal history of suicidal behavior
ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to family and personal history and certain conditions influencing health status
- Code
Z91.51(claims format:Z9151)- Description
- Personal history of suicidal behavior
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status
- Parent codes
- Z91 › Z91.5
Notes for Z91.51
- Personal history of parasuicide
- Personal history of self-poisoning
- Personal history of suicide attempt
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Z91 – Personal risk factors, not elsewhere classified
Z91.5 – Personal history of self-harm
- mental health disorder, if known
Block Z77-Z99
Index terms for Z91.51
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Parasuicide, history of
- Self-poisoning, history
- Self-harm, history, suicidal
- Suicide, suicidal, history of
- History, personal, parasuicide
- History, personal, suicide attempt
- Self-mutilation, history, suicidal
- History, personal, suicidal behavior
- History, personal, trauma, self-harm
- History, personal, self-harm, suicidal
- History, personal, self-poisoning attempt
- Risk, suicidal, meaning personal history of attempted suicide
- History, personal, poisoning NEC, self-harm or suicide attempt
- Tendency, suicide, meaning personal history of attempted suicide
- History, personal, physical trauma NEC, self-harm or suicide attempt
- Suicide, suicidal, risk, meaning personal history of attempted suicide
- Suicide, suicidal, tendencies, meaning personal history of attempted suicide
Related codes in Z91.5
Frequently asked questions
What is ICD-10 code Z91.51?
Z91.51 is the ICD-10-CM code for personal history of suicidal behavior, in the block Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).
Is Z91.51 a billable code?
Yes. Z91.51 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Z91.51 belong to?
It belongs to category Z91 – Personal risk factors, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.