I1A ICD-10-CM Code: Other hypertension
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
I1AOther hypertension
ICD-10-CM diagnosis code · United States clinical modification
Where I1A sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Hypertensive diseases (I10-I1A)
- 3
Category I1A
Other hypertension
- 4
Code I1A
Other hypertension
Codes under I1A
I1A is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for I1A.
Code first
No “code first” instruction is listed for I1A.
Use additional code
No “use additional code” instruction is listed for I1A.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I1A.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I1A.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code I1A mean?
I1A is the FY 2027 U.S. ICD-10-CM code for “Other hypertension.”
Is I1A a billable or specific ICD-10-CM code?
No. I1A has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is I1A located in ICD-10-CM?
I1A is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Hypertensive diseases (I10-I1A) (I10–I1A), under category I1A, Other hypertension.
What coding notes are listed for I1A?
No inclusion terms are listed for I1A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.