ICD-10-CM Codes
O00-O9A Pregnancy, childbirth and the puerperium
O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
O11- Pre-existing hypertension with pre-eclampsia

2018/2019 ICD-10-CM Diagnosis Code O11.5

Pre-existing hypertension with pre-eclampsia, complicating the puerperium

2017 - New Code

2018

2019

Billable/Specific Code

Maternity Dx (12-55 years)

Female Dx

O11.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Short description: Pre-existing htn with pre-eclampsia, comp the puerperium
The 2018/2019 edition of ICD-10-CM O11.5 became effective on October 1, 2018.
This is the American ICD-10-CM version of O11.5 - other international versions of ICD-10 O11.5 may differ.

ICD-10-CM Coding Rules

O11.5 is applicable to maternity patients aged 12 - 55 years inclusive.
O11.5 is applicable to female patients.

The following code(s) above O11.5 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 O11.5:

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
O11
ICD-10-CM Diagnosis Code O11
Pre-existing hypertension with pre-eclampsia
Includes
- conditions in Ol0 complicated by pre-eclampsia
- pre-eclampsia superimposed pre-existing hypertension
Use Additional
- code from O10 to identify the type of hypertension
Pre-existing hypertension with pre-eclampsia

ICD-10-CM O11.5 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

769 Postpartum and post abortion diagnoses with o.r. Procedure
776 Postpartum and post abortion diagnoses without o.r. Procedure

Convert O11.5 to ICD-9-CM

Code History

2017 (effective 10/1/2016): New code
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to O11.5:

Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
ICD-10-CM Diagnosis Code I10
Essential (primary) hypertension
Includes
high blood pressure
hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
Type 1 Excludes
hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
Type 2 Excludes
essential (primary) hypertension involving vessels of brain (I60-I69)
essential (primary) hypertension involving vessels of eye (H35.0-)
- complicating
  - puerperium, pre-existing O16.5
    ICD-10-CM Diagnosis Code O16.5
    Unspecified maternal hypertension, complicating the puerperium
    2017 - New Code 2018 2019 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
    - pre-existing
      - with
        pre-eclampsia O11.5

ICD-10-CM Codes Adjacent To O11.5

O10.912 …… second trimester

O10.913 …… third trimester

O10.919 …… unspecified trimester

O10.92 Unspecified pre-existing hypertension complicating childbirth

O10.93 Unspecified pre-existing hypertension complicating the puerperium

O11 Pre-existing hypertension with pre-eclampsia

O11.1 Pre-existing hypertension with pre-eclampsia, first trimester

O11.2 Pre-existing hypertension with pre-eclampsia, second trimester

O11.3 Pre-existing hypertension with pre-eclampsia, third trimester

O11.4 Pre-existing hypertension with pre-eclampsia, complicating childbirth

O11.5 Pre-existing hypertension with pre-eclampsia, complicating the puerperium

O11.9 Pre-existing hypertension with pre-eclampsia, unspecified trimester

O12 Gestational [pregnancy-induced] edema and proteinuria without hypertension

O12.0 Gestational edema

O12.00 …… unspecified trimester

O12.01 …… first trimester

O12.02 …… second trimester

O12.03 …… third trimester

O12.04 …… complicating childbirth

O12.05 …… complicating the puerperium

O12.1 Gestational proteinuria

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

2018/2019 ICD-10-CM Diagnosis Code O11.5

Pre-existing hypertension with pre-eclampsia, complicating the puerperium

Pregnancy, childbirth and the puerperium

Pre-existing hypertension with pre-eclampsia

Essential (primary) hypertension

Unspecified maternal hypertension, complicating the puerperium