ICD-10 Diagnosis Code O13.9

Gestational htn w/o significant proteinuria, unsp trimester

Diagnosis Code O13.9

ICD-10: O13.9
Short Description: Gestational htn w/o significant proteinuria, unsp trimester
Long Description: Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester
This is the 2017 version of the ICD-10-CM diagnosis code O13.9

Valid for Submission
The code O13.9 is valid for submission for HIPAA-covered transactions.

Replaced Code Additional informationCallout TooltipReplaced Code
The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2016. This codes was replaced for the FY 2017 (October 1, 2016-September 30, 2017).

This code was replaced in the 2017 ICD-10 code set with the code(s) listed below.
  • O13.4 - Gestatnl htn without significant protein, comp childbirth
  • O13.5 - Gestatnl htn without significant protein, comp the puerp

Code Classification
  • Pregnancy, childbirth and the puerperium (O00–O99)
    • Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
      • Gestational hypertension without significant proteinuria (O13)

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Maternity diagnoses Additional informationCallout TooltipMaternity diagnoses
Maternity. Age range is 12–55 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).

Diagnoses for females only Additional informationCallout TooltipDiagnoses for females only
Diagnoses for females only.

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Maternal hypertension
  • Maternal hypertension
  • Non-proteinuric hypertension of pregnancy
  • Non-proteinuric hypertension of pregnancy
  • Postpartum pregnancy-induced hypertension
  • Pregnancy induced hypertension with pulmonary edema
  • Pregnancy-induced hypertension
  • Transient hypertension of pregnancy
  • Transient hypertension of pregnancy - delivered
  • Transient hypertension of pregnancy - delivered with postnatal complication
  • Transient hypertension of pregnancy - not delivered
  • Transient hypertension of pregnancy with postnatal complication

Information for Patients

High Blood Pressure in Pregnancy

If you are pregnant, high blood pressure can cause problems for you and your unborn baby. You may have had high blood pressure before you got pregnant. Or you may get it once you are pregnant - a condition called gestational hypertension. Either one can cause low birth weight or premature delivery of the baby.

Controlling your blood pressure during pregnancy and getting regular prenatal care are important for the health of you and your baby. Treatments for high blood pressure in pregnancy may include close monitoring of the baby, lifestyle changes, and certain medicines.

Some pregnant women with high blood pressure develop preeclampsia. It's a sudden increase in blood pressure after the 20th week of pregnancy. It can be life-threatening for both you and the unborn baby. There is no proven way to prevent it. Most women who have signs of preeclampsia are closely monitored to lessen or avoid complications. The only way to "cure" preeclampsia is to deliver the baby.

NIH: National Heart, Lung, and Blood Institute

  • Eclampsia
  • HELLP syndrome
  • Preeclampsia
  • Preeclampsia - self-care

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