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ICD-10-CM Codes
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I00-I99
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I10-I16
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I10-
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2023 ICD-10-CM Diagnosis Code I10
2023 ICD-10-CM Diagnosis Code I10
Essential (primary) hypertension
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Questionable As Admission Dx
- I10 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM I10 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I10 - other international versions of ICD-10 I10 may differ.
ICD-10-CM Coding Rules
- I10 is not usually sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I10. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- hypertensive disease complicating pregnancy, childbirth and the puerperium (
ICD-10-CM Diagnosis Code O10
Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
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 O11
Pre-existing hypertension with pre-eclampsia
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
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
O11, ICD-10-CM Diagnosis Code O13
Gestational [pregnancy-induced] hypertension without significant proteinuria
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Includes- gestational hypertension NOS
- transient hypertension of pregnancy
O13-ICD-10-CM Diagnosis Code O16
Unspecified maternal hypertension
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
O16)
Type 2 ExcludesType 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (I10) and the excluded code together.
IncludesIncludes Help
"Includes" further defines, or give examples of, the content of the code or category.
- high blood pressure
- hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
The following code(s) above
I10 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
I10:
Approximate Synonyms
- Benign essential hypertension
- Benign essential hypertension (htn)
- Benign hypertension
- Bilateral hypertensive retinopathy
- Essential hypertension
- Essential hypertension (high blood pressure)
- Hypertension
- Hypertension (high blood pressure)
- Hypertension, uncontrolled
- Hypertensive disorder
- Hypertensive emergency
- Hypertensive retinopathy, both eyes
- Hypertensive urgency
- Labile systemic arterial hypertension
- Left hypertensive retinopathy
- Left hypertensive retinopathy (eye condition)
- Malignant hypertension
- Nutritional therapy for hypertension
- Nutritional therapy for hypertension done
- Right hypertensive retinopathy
- Uncontrolled hypertension
- White coat syndrome
Clinical Information
- A blood pressure of 140/90 or higher. High blood pressure usually has no symptoms. It can harm the arteries and cause an increase in the risk of stroke, heart attack, kidney failure, and blindness.
- A disorder characterized by a pathological increase in blood pressure; a repeatedly elevation in the blood pressure exceeding 140 over 90 mm hg.
- Blood pressure is the force of your blood pushing against the walls of your arteries. Each time your heart beats, it pumps out blood into the arteries. Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is the diastolic pressure. Your blood pressure reading uses these two numbers, the systolic and diastolic pressures. Usually they are written one above or before the other. A reading of
- 120/80 or lower is normal blood pressure
- 140/90 or higher is high blood pressure
- between 120 and 139 for the top number, or between 80 and 89 for the bottom number is prehypertension
high blood pressure usually has no symptoms, but it can cause serious problems such as stroke, heart failure, heart attack and kidney failure. You can control high blood pressure through healthy lifestyle habits and taking medicines, if needed.
- Hypertension occurring without preexisting renal disease or known organic cause.
- Pathological increase in blood pressure; a repeatedly elevated blood pressure exceeding 140 over 90 mmhg.
- Persistantly high arterial blood pressure.
- Persistently high systemic arterial blood pressure. Based on multiple readings (blood pressure determination), hypertension is currently defined as when systolic pressure is consistently greater than 140 mm hg or when diastolic pressure is consistently 90 mm hg or more.
ICD-10-CM I10 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 304 Hypertension with mcc
- 305 Hypertension without mcc
Convert I10 to ICD-9-CM
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
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to I10:
ICD-10-CM Codes Adjacent To I10
I08.8 Other rheumatic multiple valve diseases
I08.9 Rheumatic multiple valve disease, unspecified
I09 Other rheumatic heart diseases
I09.0 Rheumatic myocarditis
I09.1 Rheumatic diseases of endocardium, valve unspecified
I09.2 Chronic rheumatic pericarditis
I09.8 Other specified rheumatic heart diseases
I09.81 Rheumatic heart failure
I09.89 Other specified rheumatic heart diseases
I09.9 Rheumatic heart disease, unspecified
I10
Essential (primary) hypertension
I11 Hypertensive heart disease
I11.0 Hypertensive heart disease with heart failure
I11.9 Hypertensive heart disease without heart failure
I12 Hypertensive chronic kidney disease
I12.0 Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
I12.9 Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13 Hypertensive heart and chronic kidney disease
I13.0 Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13.1 Hypertensive heart and chronic kidney disease without heart failure
I13.10 …… with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.