Z91.51Billable

Personal history of suicidal behavior

Chapter
21. Factors influencing health status and contact with health services
Category
Z91
Effective date
October 1, 2026

Related codes in category Z91

Frequently asked questions

What is ICD-10 code Z91.51?

Z91.51 is an ICD-10-CM diagnosis code for Personal history of suicidal behavior.

Is Z91.51 a billable code?

Yes. Z91.51 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Z91.51 in?

Z91.51 falls under Chapter 21: Factors influencing health status and contact with health services.

When did Z91.51 become effective?

Z91.51 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Z91.51?

Z91.51 belongs to category Z91, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.