I10

Billable

Essential (primary) hypertension

Status

Billable / Specific

Chapter

9: Diseases of the Circulatory System

Block

I10-I1A

ICD-11 Mapping

1 equivalent

Coding Notes

Includes

Conditions included under this code

high blood pressure
hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)

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

Related Conditions

Hypertension

ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

BA00.ZEssential hypertension, unspecifiedequivalentPrimary

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Also Known As / Clinical Terms(278)

SNOMED CT

UMLS

Clinical Terms

Good hypertension control
Arterial hypertension
Hypertensive optic neuropathy
Systolic essential hypertension
Systemic primary arterial hypertension
Ischemic stroke with hemorrhagic transformation
Rebound hypertension
Benign hypertension
Progressive arterial occlusive disease, hypertension, heart defect, bone fragility, brachysyndactyly syndrome
Primary Hypertensions
Ulcer of lower limb due to arterial hypertension
Vascular Hypertensive Disorder
Hypertension with albuminuria
hypertensive disorder
primary hypertension
BP - High blood pressure
Cerebrovascular accident with intracranial haemorrhage
Hypertension, arterial
Hypertension, Essential
Dementia due to hypertensive encephalopathy
Malignant essential hypertension
systemic hypertension
Essential Hypertension
Complication of systemic hypertensive disorder
Hypertensive hemorrhagic cerebral infarction
Grange occlusive arterial syndrome
hyperpiesis
Hypertensive complication
Blood Pressure, High
Stable hypertension
Dementia due to intracerebral hypertensive haemorrhage
Brachydactyly type E with short stature and hypertension
Hypertensive disorder, systemic arterial (disorder)
systemic arterial hypertension
Dementia due to haemorrhagic cerebral infarction due to hypertension
HBP - High blood pressure
Intermittent hypertension
Hypertensive emergency
Haemorrhagic cerebral infarction
Essential hypertension (disorder)
Hypertensive treatment changed
Haemorrhagic cerebral infarction due to hypertension
Headache due to hypertension
Vascular hypertensive disorders
Hemorrhagic cerebral infarction due to hypertension
blood high pressure
Ulcer of lower extremity due to arterial hypertension
high blood pressure
Labile systemic arterial hypertension
Accelerated essential hypertension
Hypertension monitoring offer default
Dementia due to hemorrhagic cerebral infarction due to hypertension
Hypertensive vascular degeneration
Ulcer of lower leg due to arterial hypertension
Hypertension, Primary
hypertension primary
HT - Hypertension
Essential hypertension, unspecified
hypertensive vascular disease
Cerebrovascular accident with intracranial hemorrhage
Blood Pressures, High
Dementia due to metabolic abnormality
Complication of systemic hypertension
Benign essential hypertension
Hypertensive haemorrhagic cerebral infarction
Hereditary dysplasia of blood vessel
On treatment for hypertension
High Blood Pressures
Martorell ulcer of lower leg
Hemorrhagic infarction
essential hypertension unspecified
hypertension
EHT
Hemorrhagic cerebral infarction
Transient hypertension
arterial hypertension systemic
Labile diastolic hypertension
Bilginturan brachydactyly
Malignant hypertension
Stage 2 hypertension
Martorell ulcer of lower limb
Systolic hypertension
Sustained diastolic hypertension
Hypertension monitoring status
Grange syndrome
Dementia due to intracerebral hypertensive hemorrhage
Ulcer of lower leg due to hypertension
High blood pressure disorder
hypertensive disease
Brachydactyly syndrome type E
idiopathic hypertension
Supine hypertension
Hypertensive crisis
Hypertension arterial
Hypertension stage 1
Diastolic hypertension and systolic hypertension
BP+ - Hypertension
Unspecified essential hypertension
Stage 1 hypertension
Hypertensions, Primary
hyperpiesia
Headache due to arterial hypertension
Ischaemic stroke with haemorrhagic transformation
Diastolic hypertension
Blood pressure high
HTN
HBP
hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
Hypertension stage 2
vascular hypertension
Hypertension NOS
High-renin essential hypertension
Haemorrhagic infarction
HTN - Hypertension
Combined diastolic and systolic hypertension
Low-renin essential hypertension
Labile essential hypertension
Diastolic hypertension co-occurrent with systolic hypertension
Bilginturan syndrome
Brachydactyly and arterial hypertension syndrome
Hypertensive disorder, systemic arterial
Chronic hypertension
Chronic essential hypertension
Chronic primary hypertension

Frequently Asked Questions

What is the ICD-10 code for essential (primary) hypertension?

The ICD-10-CM code for essential (primary) hypertension is I10. The full clinical description is "Essential (primary) hypertension". I10 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code I10 mean?

ICD-10-CM code I10 represents “Essential (primary) hypertension”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.

Is I10 a billable code?

Yes, I10 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is I10 in?

I10 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).

What codes cannot be used with I10?

I10 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal hypertension (P29.2); primary pulmonary hypertension (I27.0); hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16).

Are additional codes required with I10?

Yes, when using I10, also report: ; exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).

What SNOMED CT codes does I10 map to?

I10 maps to 47 SNOMED CT concepts: 78975002, 38341003, 1201005, 10725009, 720568003, and 42 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for I10?

I10 is linked to 3 UMLS Concept Unique Identifiers: C0020538, C0085580, C4290132. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does I10 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like essential (primary) hypertension 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 I10?

I10 maps to the ICD-11 code: BA00.Z (Essential hypertension, unspecified).

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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.