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O99.4

Non-billable

Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium

O99.4 is the ICD-10-CM code for Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium. It is a non-billable category code — use a more specific child code such as O99.41 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O99
Subcodes
3
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Includes

Excludes1 — not coded here

  • •peripartum cardiomyopathy (O90.3)

Excludes2 — not included here

  • •hypertensive disorders (O10-O16)
  • •obstetric embolism (O88.-)
  • •venous complications and cerebrovenous sinus thrombosis in labor, childbirth and the puerperium (O87.-)
  • •venous complications and cerebrovenous sinus thrombosis in pregnancy (O22.-)

Frequently asked questions

What is ICD-10 code O99.4?
O99.4 is the ICD-10-CM code for "Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O99.4 a billable code?
No — O99.4 is a non-billable header code. Use a more specific child code (such as O99.41) for billing.
What are the subcodes of O99.4?
O99.4 has 3 more specific child codes, including O99.41, O99.42, O99.43.
What is excluded from O99.4?
Excludes1 (not coded here): peripartum cardiomyopathy (O90.3).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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