I27.8
⚠ Non-billable
Other specified pulmonary heart diseases
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I27.8
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code I27.8?
ICD-10-CM code I27.8 represents Other specified pulmonary heart diseases. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I27.8 billable?
No. I27.8 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is I27.8 in?
I27.8 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I27 category
I27
Other pulmonary heart diseases
Non-billable
I27.0
Primary pulmonary hypertension
Billable
I27.1
Kyphoscoliotic heart disease
Billable
I27.2
Other secondary pulmonary hypertension
Non-billable
I27.9
Pulmonary heart disease, unspecified
Billable
I27.20
Pulmonary hypertension, unspecified
Billable
I27.21
Secondary pulmonary arterial hypertension
Billable
I27.22
Pulmonary hypertension due to left heart disease
Billable
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