2027 ICD-10-CM Diagnosis Code O14Pre-eclampsia

ICD-10-CM Codes›O00-O9A›O10-O16›O14

ICD-10-CM O14
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O14 is a non-billable ICD-10-CM category code for pre-eclampsia, so it cannot be submitted on claims. Use a more specific code from this category instead, such as O14.00, O14.02, O14.03, and O14.04.

Code Identity

ICD-10-CM Code
O14
Billable Status
No — Non-Billable Category
Code Describes
Pre-eclampsia
Short Description
Pre-eclampsia
Same as the full description in the CMS dataset.
Chapter
O10-O16
Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO10-O16Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
CategoryO14Pre-eclampsia
This CodeO14Pre-eclampsia

Specific Coding for Pre-eclampsiaOverview

Non-specific codes like O14 require more characters. Use one of these billable codes instead:

  • O14.0 for Mild to moderate pre-eclampsia

  • Use O14.00 for Mild to moderate pre-eclampsia, unspecified trimester

  • Use O14.02 for Mild to moderate pre-eclampsia, second trimester

  • Use O14.03 for Mild to moderate pre-eclampsia, third trimester

  • Use O14.04 for Mild to moderate pre-eclampsia, complicating childbirth

  • Use O14.05 for Mild to moderate pre-eclampsia, complicating the puerperium

  • O14.1 for Severe pre-eclampsia

  • Use O14.10 for Severe pre-eclampsia, unspecified trimester

  • Use O14.12 for Severe pre-eclampsia, second trimester

  • Use O14.13 for Severe pre-eclampsia, third trimester

  • Use O14.14 for Severe pre-eclampsia complicating childbirth

  • Use O14.15 for Severe pre-eclampsia, complicating the puerperium

  • O14.2 for HELLP syndrome

  • Use O14.20 for HELLP syndrome (HELLP), unspecified trimester

  • Use O14.22 for HELLP syndrome (HELLP), second trimester

  • Use O14.23 for HELLP syndrome (HELLP), third trimester

  • Use O14.24 for HELLP syndrome, complicating childbirth

  • Use O14.25 for HELLP syndrome, complicating the puerperium

  • O14.9 for Unspecified pre-eclampsia

  • Use O14.90 for Unspecified pre-eclampsia, unspecified trimester

  • Use O14.92 for Unspecified pre-eclampsia, second trimester

  • Use O14.93 for Unspecified pre-eclampsia, third trimester

  • Use O14.94 for Unspecified pre-eclampsia, complicating childbirth

  • Use O14.95 for Unspecified pre-eclampsia, complicating the puerperium

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O14: its own notes plus those printed at Chapter 15. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

On O14 itself
  • pre-existing hypertension with pre-eclampsia (O11)
From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • supervision of normal pregnancy (Z34.-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Notes

General instructions on how these codes are used.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
  • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • 1st trimester- less than 14 weeks 0 days
  • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • 3rd trimester- 28 weeks 0 days until delivery

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name O14, its category, or a range that includes it.

Includes 1

These notes mention O14.

  • O15 Eclampsia
    convulsions following conditions in O10-O14 and O16 names O10-O14, which includes this code

Applicable To 1

These notes mention O14.

  • P00.0 Newborn affected by maternal hypertensive disorders
    Newborn affected by maternal conditions classifiable to O10-O11, O13-O16 names O13-O16, which includes this code

Excludes1 1

These codes carry an Excludes1 note naming O14: they are not reported together with it, unless the two conditions are unrelated.

  • I10 Essential (primary) hypertension
    hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16) names O13-O16, which includes this code

Excludes2 2

These codes carry an Excludes2 note naming O14: its condition is not part of those codes, and both may be reported when the patient has both.

  • Block I10-I1A Hypertensive diseases
    hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16) names O13-O16, which includes this code
  • O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium
    hypertensive disorders (O10-O16) names O10-O16, which includes this code

Clinical InformationClinical

  • Pre-Eclampsia

    a complication of pregnancy, characterized by a complex of symptoms including maternal hypertension and proteinuria with or without pathological edema. symptoms may range between mild and severe. pre-eclampsia usually occurs after the 20th week of gestation, but may develop before this time in the presence of trophoblastic disease.

Patient EducationClinical

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.

The full article covers:

  • What is high blood pressure in pregnancy?
  • What are the types of high blood pressure in pregnancy?
  • Who is more likely to develop high blood pressure in pregnancy?
  • What are the symptoms of high blood pressure in pregnancy?
  • What problems can high blood pressure in pregnancy cause?
  • How is high blood pressure in pregnancy diagnosed?
  • What are the treatments for high blood pressure in pregnancy?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About O14Overview

What is the ICD-10 code for pre-eclampsia?

O14 is the ICD-10-CM category for pre-eclampsia, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is O14 (Pre-eclampsia) a billable code?

No. This is a category header that groups the codes for pre-eclampsia, and headers cannot be submitted on claims. Claims for pre-eclampsia need a more specific code from this category, such as O14.00, O14.02, and O14.03.

Can O14 be reported with O11?

Not as a rule. The Excludes1 note on O14 lists "pre-existing hypertension with pre-eclampsia (O11)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).