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O13

Non-billable

Gestational [pregnancy-induced] hypertension without significant proteinuria

O13 is the ICD-10-CM code for Gestational [pregnancy-induced] hypertension without significant proteinuria. It is a non-billable category code — use a more specific child code such as O13.1 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Subcodes
6
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Includes

  • •gestational hypertension NOS
  • •transient hypertension of pregnancy

Frequently asked questions

What is ICD-10 code O13?
O13 is the ICD-10-CM code for "Gestational [pregnancy-induced] hypertension without significant proteinuria". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O13 a billable code?
No — O13 is a non-billable header code. Use a more specific child code (such as O13.1) for billing.
What are the subcodes of O13?
O13 has 6 more specific child codes, including O13.1, O13.2, O13.3.

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

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