O99.311Billable

Alcohol use complicating pregnancy, first trimester

Chapter
15. Pregnancy, childbirth and the puerperium
Category
O99
Effective date
October 1, 2026

Related codes in category O99

Frequently asked questions

What is ICD-10 code O99.311?

O99.311 is an ICD-10-CM diagnosis code for Alcohol use complicating pregnancy, first trimester.

Is O99.311 a billable code?

Yes. O99.311 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is O99.311 in?

O99.311 falls under Chapter 15: Pregnancy, childbirth and the puerperium.

When did O99.311 become effective?

O99.311 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to O99.311?

O99.311 belongs to category O99, 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.