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

What this means — in plain language

MedlinePlus · NIH

What is high blood pressure in pregnancy? Blood pressure is the force of your blood pushing against the walls of your arteries. Your arteries are blood vessels that carry blood from your heart to other parts of your body. High blood pressure , or hypertension, is blood pressure that is higher than normal. Having high blood pressure can put you at risk for other health problems, such as heart disease , heart attack ,…

Read more about High Blood Pressure in Pregnancy at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.