Medical Code Search: "Essential hypertension"
Results for “Essential hypertension” from ICD-10-CM and Coding Guidance. Code titles and billable status are read from the published releases.
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources
Why these results?
How MedCoder read the search, which code set answered first, and why these codes are shown.
What MedCoder understood
- You searched
- Essential hypertension
- Search type
- Diagnosis / condition
- Primary registry
- ICD-10-CM
- Understood as a diagnosis or condition search, so ICD-10-CM is ranked first.
- hypertension → hypertensive
Search results are not a code assignment. Review the documentation, official coding instructions, and applicable rules before selecting a code.
Recommended codes
The codes the published release carries for each pathway, each with the official evidence for the match.
Best matches
Title match · Official description matches the search terms
Why this matched
- The official description contains the search terms.
- The tabular carries it at billable code level.
Index / inclusion term · Excludes2 note at I10 names this code: “essential (primary) hypertension involving vessels of brain”
Why this matched
- Excludes2 note at I10 names this code: “essential (primary) hypertension involving vessels of brain”
- The tabular carries it at category level.
- 116 codes below, 91 billable in the tabular hierarchy.
116 codes below, 91 billable
- I63.0Cerebral infarction due to thrombosis of precerebral arteriesNot billable
- I63.1Cerebral infarction due to embolism of precerebral arteriesNot billable
- I63.2Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteriesNot billable
- I63.3Cerebral infarction due to thrombosis of cerebral arteriesNot billable
- I63.4Cerebral infarction due to embolism of cerebral arteriesNot billable
- I63.5Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteriesNot billable
“Controlled” describes therapy, not a different disease — the guidelines direct both controlled and uncontrolled statements to the appropriate code from the hypertensive-disease categories.
Guidance · Every search term appears in this guidance
Why this matched
- Every search term appears in this guidance
Under O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Title match · Official description matches the search terms
Why this matched
- The official description contains the search terms.
- Sits under O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium in the ICD-10-CM tabular.
- The tabular carries it at subcategory level.
- 7 codes below, 6 billable in the tabular hierarchy.
7 codes below, 6 billable
- O10.01Pre-existing essential hypertension complicating pregnancyNot billable
- O10.02Pre-existing essential hypertension complicating childbirthBillable
- O10.03Pre-existing essential hypertension complicating the puerperiumBillable
- O10.011Pre-existing essential hypertension complicating pregnancy, first trimesterBillable
- O10.012Pre-existing essential hypertension complicating pregnancy, second trimesterBillable
- O10.013Pre-existing essential hypertension complicating pregnancy, third trimesterBillable
Index / inclusion term · Excludes2 note at I10 names this code: “essential (primary) hypertension involving vessels of brain”
Why this matched
- Excludes2 note at I10 names this code: “essential (primary) hypertension involving vessels of brain”
- The tabular carries it at category level.
- 22 codes below, 18 billable in the tabular hierarchy.
22 codes below, 18 billable
- I60.0Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcationNot billable
- I60.1Nontraumatic subarachnoid hemorrhage from middle cerebral arteryNot billable
- I60.2Nontraumatic subarachnoid hemorrhage from anterior communicating arteryBillable
- I60.3Nontraumatic subarachnoid hemorrhage from posterior communicating arteryNot billable
- I60.4Nontraumatic subarachnoid hemorrhage from basilar arteryBillable
- I60.5Nontraumatic subarachnoid hemorrhage from vertebral arteryNot billable
Related codes
Neighbouring concepts, the primary code’s own tabular relationships, and every code set’s full results.
Explore I10
I10 Essential (primary) hypertension — what its code page carries, from the official tables.
Related concepts, from I10's tabular notes
Excludes1 · 6 of 8
Excludes2 · 6 of 10
- H35.0Background retinopathy and retinal vascular changes
- I60Nontraumatic subarachnoid hemorrhage
- I61Nontraumatic intracerebral hemorrhage
- I62Other and unspecified nontraumatic intracranial hemorrhage
- I63Cerebral infarction
- I65Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
ICD-10-CM: 19 matches
See all in ICD-10-CM →4 of them are shown above under Best matches.
Coding Guidance
All 2 matches are shown above under Best matches.
Official source
Code titles, billable status and tabular instructions on this page are read from the published release files in force today: ICD-10-CM FY2027 (CMS and CDC). Open a code to see its official instructions quoted as published, the release and file it came from, its relationships and its change history. A search result is MedCoder’s match of your words to those files, not a code assignment.