I45.6 – Pre-excitation syndrome
ICD-10-CM 2027 diagnosis code · Other forms of heart disease
ICD-10-CM code
I45.6
- Code
I45.6(claims format:I456)- Description
- Pre-excitation syndrome
- 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
- I45
Notes for I45.6
Applicable to:
- Accelerated atrioventricular conduction
- Accessory atrioventricular conduction
- Anomalous atrioventricular excitation
- Lown-Ganong-Levine syndrome
- Pre-excitation atrioventricular conduction
- Wolff-Parkinson-White syndrome
Index terms for I45.6
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I45
- I45.0 – Right fascicular blockBillable
- I45.1 – Other and unspecified right bundle-branch blockHeader
- I45.2 – Bifascicular blockBillable
- I45.3 – Trifascicular blockBillable
- I45.4 – Nonspecific intraventricular blockBillable
- I45.5 – Other specified heart blockBillable
- I45.8 – Other specified conduction disordersHeader
- I45.9 – Conduction disorder, unspecifiedBillable
Frequently asked questions
What is ICD-10 code I45.6?
I45.6 is the ICD-10-CM code for pre-excitation syndrome, in the block I30-I5A (Other forms of heart disease).
Is I45.6 a billable code?
Yes. I45.6 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I45.6 belong to?
It belongs to category I45 – Other conduction disorders.
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.