O30.013 – Twin pregnancy, monochorionic/monoamniotic, third trimester

ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems

Billable code

ICD-10-CM code O30.013

Code: O30.013 (claims format: O30013)
Description: Twin pregnancy, monochorionic/monoamniotic, third trimester
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
Parent codes: O30 › O30.0 › O30.01

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O30 – Multiple gestation

Code also:

any complications specific to multiple gestation

O30.01 – Twin pregnancy, monochorionic/monoamniotic

Applicable to:

Twin pregnancy, one placenta, one amniotic sac

Excludes1 (not coded here):

conjoined twins (O30.02-)

Related codes in O30.01

Frequently asked questions

What is ICD-10 code O30.013?

O30.013 is the ICD-10-CM code for twin pregnancy, monochorionic/monoamniotic, third trimester, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).

Is O30.013 a billable code?

Yes. O30.013 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does O30.013 belong to?

It belongs to category O30 – Multiple gestation.

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.