O13
Non-billableGestational hypertension without significant proteinuria
Gestational [pregnancy-induced] hypertension without significant proteinuria
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- gestational hypertension NOS
- transient hypertension of pregnancy
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Child Codes (6)
O13.1Gestational htn w/o significant proteinuria, first trimester
O13.2Gestatnl htn w/o significant proteinuria, second trimester
O13.3Gestational htn w/o significant proteinuria, third trimester
O13.4Gestatnl htn without significant protein, comp childbirth
O13.5Gestatnl htn without significant protein, comp the puerp
O13.9Gestational htn w/o significant proteinuria, unsp trimester
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(41)
UMLS
- GH - Gestational hypertensionC0852036
- Gestational HypertensionC0852036
- Gestational hypertensionC0852036
- HYPERTENSION PREGN INDC0852036
- HYPERTENSION, PREGNANCY-INDUCEDC0852036
- Hypertension induced by pregnancyC0852036
- Hypertension, GestationalC0852036
- Hypertension, Pregnancy InducedC0852036
- Hypertension, Pregnancy-InducedC0852036
- Hypertensions, Pregnancy InducedC0852036
- Induced Hypertension, PregnancyC0852036
- Induced Hypertensions, PregnancyC0852036
- PIH - Pregnancy-induced hypertensionC0852036
- PIH Pregnancy induced hypertensionC0852036
- Pregnancy Associated HypertensionC0852036
- Pregnancy Induced HypertensionC0852036
- Pregnancy associated hypertensionC0852036
- Pregnancy induced hypertensionC0852036
- Pregnancy-Induced HypertensionC0852036
- Pregnancy-induced hypertensionC0852036
- Pregnancy-induced hypertension (disorder)C0852036
- gestational hypertensionC0852036
- gestational hypertension NOSC0852036
- high blood pressure caused by pregnancyC0852036
- high blood pressure disorder caused by pregnancyC0852036
- hypertension in pregnancyC0852036
- pregnancy induced hypertensionC0852036
- pregnancy-induced hypertensionC0852036
- Gestational [pregnancy-induced] hypertension without significant proteinuriaC0495180
- Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimesterC0495180
- Gestational htn w/o significant proteinuria, unsp trimesterC0495180
- Gestational hypertension without significant proteinuriaC0495180
- Hypertension, Pregnancy TransientC0341934
- Pregnancy Transient HypertensionC0341934
- TRANSIENT HYPERTENSION PREGNC0341934
- Transient Hypertension, PregnancyC0341934
- Transient hypertension of pregnancyC0341934
- Transient hypertension of pregnancy (disorder)C0341934
- hypertension pregnancy transientC0341934
- transient hypertension of pregnancyC0341934
- transient hypertension pregnancyC0341934
Frequently Asked Questions
What is the ICD-10 code for gestational hypertension without significant proteinuria?
The ICD-10-CM code for gestational hypertension without significant proteinuria is O13. The full clinical description is "Gestational [pregnancy-induced] hypertension without significant proteinuria". O13 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O13 mean?
ICD-10-CM code O13 represents “Gestational [pregnancy-induced] hypertension without significant proteinuria”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O13 a billable code?
No, O13 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under O13.
What chapter is O13 in?
O13 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O13?
O13 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O13?
O13 has 6 child codes, including: O13.1 (Gestational htn w/o significant proteinuria, first trimester), O13.2 (Gestatnl htn w/o significant proteinuria, second trimester), O13.3 (Gestational htn w/o significant proteinuria, third trimester), O13.4 (Gestatnl htn without significant protein, comp childbirth), and 2 more.
Are additional codes required with O13?
Yes, when using O13, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..
What are the UMLS CUIs for O13?
O13 is linked to 3 UMLS Concept Unique Identifiers: C0852036, C0495180, C0341934. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does O13 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like gestational hypertension without significant proteinuria affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of O13?
O13 maps to the ICD-11 code: JA23 (Gestational hypertension).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.