ICD-10-CM Codes
O00-O9A Pregnancy, childbirth and the puerperium
O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
O15- Eclampsia

2019 ICD-10-CM Diagnosis Code O15

Eclampsia

2016

2017

2018

2019

Non-Billable/Non-Specific Code

O15 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2019 edition of ICD-10-CM O15 became effective on October 1, 2018.
This is the American ICD-10-CM version of O15 - other international versions of ICD-10 O15 may differ.

Includes

Includes Help

"Includes" further defines, or give examples of, the content of the code or category.

convulsions following conditions in
ICD-10-CM Diagnosis Code O10
Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Includes
- pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium
Type 2 Excludes
- pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
O10
-
ICD-10-CM Diagnosis Code O14
Pre-eclampsia
Type 1 Excludes
- pre-existing hypertension with pre-eclampsia (O11)
O14
and
ICD-10-CM Diagnosis Code O16
Unspecified maternal hypertension
O16

The following code(s) above O15 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to O15:

O00-O9A
2019 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperium
Note
- 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
Type 1 Excludes
- supervision of normal pregnancy (Z34.-)
Type 2 Excludes
- 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 from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Pregnancy, childbirth and the puerperium

Clinical Information

A potentially life-threatening disorder in pregnant or puerperal women manifested by convulsions in association with hypertension, edema, and/or proteinuria.
Convulsions and coma occurring in pregnant or puerperal women, associated with hypertension, edema, and proteinuria.
Onset of hyperreflexia; seizures; or coma in a previously diagnosed pre-eclamptic patient (pre-eclampsia).

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change

ICD-10-CM Codes Adjacent To O15

O14.22 …… (HELLP), second trimester

O14.23 …… (HELLP), third trimester

O14.24 …… complicating childbirth

O14.25 …… complicating the puerperium

O14.9 Unspecified pre-eclampsia

O14.90 …… unspecified trimester

O14.92 …… second trimester

O14.93 …… third trimester

O14.94 …… complicating childbirth

O14.95 …… complicating the puerperium

O15 Eclampsia

O15.0 Eclampsia complicating pregnancy

O15.00 …… unspecified trimester

O15.02 …… second trimester

O15.03 …… third trimester

O15.1 Eclampsia complicating labor

O15.2 Eclampsia complicating the puerperium

O15.9 Eclampsia, unspecified as to time period

O16 Unspecified maternal hypertension

O16.1 Unspecified maternal hypertension, first trimester

O16.2 Unspecified maternal hypertension, second trimester

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2019 ICD-10-CM Diagnosis Code O15

Eclampsia

Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

Pre-eclampsia

Unspecified maternal hypertension

Pregnancy, childbirth and the puerperium