O30.029

Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Conjoined twin pregnancy, unspecified trimester

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).
General instructions are available for the parent sections:

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
O30Multiple gestation
O30.0Twin pregnancy
O30.02Conjoined twin pregnancy
O30.029Conjoined twin pregnancy, unspecified trimester

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O30.029:

categoryO30
Multiple gestation
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions