ICD-10-CM
ICD-10 code for Cardiopathia nigra: I27.0
The ICD-10-CM index points "Cardiopathia nigra" to I27.0, Primary pulmonary hypertension. I27.0 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in I27
A header groups codes and is not billed. A billable code is one you can report.
- I27Other pulmonary heart diseasesHeader
- I27.0Primary pulmonary hypertensionBillable
- I27.1Kyphoscoliotic heart diseaseBillable
- I27.2Other secondary pulmonary hypertensionHeader
- I27.20Pulmonary hypertension, unspecifiedBillable
- I27.21Secondary pulmonary arterial hypertensionBillable
- I27.22Pulmonary hypertension due to left heart diseaseBillable
- I27.23Pulmonary hypertension due to lung diseases and hypoxiaBillable
- I27.24Chronic thromboembolic pulmonary hypertensionBillable
- I27.29Other secondary pulmonary hypertensionBillable
- I27.8Other specified pulmonary heart diseasesHeader
- I27.81Cor pulmonale (chronic)Billable
- I27.82Chronic pulmonary embolismBillable
- I27.83Eisenmenger's syndromeBillable
- I27.84Fontan related circulationHeader
- I27.840Fontan-associated liver disease [FALD]Billable
- I27.841Fontan-associated lymphatic dysfunctionBillable
- I27.848Other Fontan-associated conditionBillable
- I27.849Fontan related circulation, unspecifiedBillable
- I27.89Other specified pulmonary heart diseasesBillable
- I27.9Pulmonary heart disease, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
Related conditions
Related pages
- I27.0 code detailsNotes, nearby codes, CMS-HCC group
- Category I27Every code under it
- Chapter 9Diseases of the circulatory system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Cardiopathia nigra?
The ICD-10-CM index points "Cardiopathia nigra" to I27.0, Primary pulmonary hypertension. I27.0 is a billable code.
Is I27.0 billable?
Yes. I27.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to I27.0?
The CDC tabular list gives 4 Excludes1 notes (not coded together) for I27.0 and the categories above it. They are listed on this page.
What chapter is I27.0 in?
Chapter 9. Diseases of the circulatory system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.