O13 Gestational [pregnancy-induced] hypertension without significant proteinuria

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Gestational [pregnancy-induced] hypertension without significant proteinuria is O13 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O10-O16: Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
Category O13
7 codes (6 billable)
FY2026 Status
Stable since FY2024
Includes
  • gestational hypertension NOS
  • transient hypertension of pregnancy

Official Coding Guidelines

Hypertension, Transient

7) Hypertension, Transient Assign code R03.0, Elevated blood pressure reading without diagnosis of hypertension, unless patient has an established diagnosis of hypertension. Assign code O13.-, Gestational [pregnancy-induced] hypertension without significant proteinuria, or O14.-, Pre-eclampsia, for transient hypertension of pregnancy.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.9.a.7

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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