I31.1 – Chronic constrictive pericarditis
ICD-10-CM 2027 diagnosis code · Other forms of heart disease
ICD-10-CM code
I31.1
- Code
I31.1(claims format:I311)- Description
- Chronic constrictive pericarditis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I30-I5A Other forms of heart disease
- Parent codes
- I31
Notes for I31.1
Applicable to:
- Concretio cordis
- Pericardial calcification
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I31 – Other diseases of pericardium
Index terms for I31.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Concretio cordis
- Gouley's syndrome
- Syndrome, Gouley's
- Pericarditis, calcareous
- Calcification, pericardium
- Pericarditis, constrictive
- Pick's, syndrome, of heart
- Polyserositis, pericardial
- Concato's disease, nontubercular
- Serositis, multiple, pericardial
- Polyserositis, due to pericarditis
- Pseudocirrhosis, liver, pericardial
- Pick's, disease or syndrome, pericardium
- Disease, diseased, Pick's, of pericardium
- Disease, diseased, Concato's, nontubercular
Related codes in I31
Frequently asked questions
What is ICD-10 code I31.1?
I31.1 is the ICD-10-CM code for chronic constrictive pericarditis, in the block I30-I5A (Other forms of heart disease).
Is I31.1 a billable code?
Yes. I31.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I31.1 belong to?
It belongs to category I31 – Other diseases of pericardium.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.