O30.01
Non-billableTwin pregnancy, monochorionic/monoamniotic
O30.01 is the ICD-10-CM code for Twin pregnancy, monochorionic/monoamniotic. It is a non-billable category code — use a more specific child code such as O30.011 for billing.
O00-O9A Pregnancy, childbirth and the puerperium
Includes
- •Twin pregnancy, one placenta, one amniotic sac
Excludes1 — not coded here
- •conjoined twins (O30.02-)
Frequently asked questions
- What is ICD-10 code O30.01?
- O30.01 is the ICD-10-CM code for "Twin pregnancy, monochorionic/monoamniotic". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
- Is O30.01 a billable code?
- No — O30.01 is a non-billable header code. Use a more specific child code (such as O30.011) for billing.
- What are the subcodes of O30.01?
- O30.01 has 4 more specific child codes, including O30.011, O30.012, O30.013.
- What is excluded from O30.01?
- Excludes1 (not coded here): conjoined twins (O30.02-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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