NPI Atlas

I47 – Paroxysmal tachycardia

ICD-10-CM 2027 diagnosis code · Other forms of heart disease

Non-billable header

ICD-10-CM code I47

Code: I47 (claims format: I47)
Description: Paroxysmal tachycardia
Billable: No – use a more specific code below
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

Billable codes under I47

I47 is a header code and cannot be used on claims. Choose the most specific code:

I47.0 – Re-entry ventricular arrhythmiaBillable
I47.1 – Supraventricular tachycardiaHeader (more codes below)
I47.2 – Ventricular tachycardiaHeader (more codes below)
I47.9 – Paroxysmal tachycardia, unspecifiedBillable

Notes for I47

Excludes1 (not coded here):

tachycardia NOS (R00.0)
sinoauricular tachycardia NOS (R00.0)
sinus [sinusal] tachycardia NOS (R00.0)

Code first:

tachycardia complicating:
abortion or ectopic or molar pregnancy (O00-O07, O08.8)
obstetric surgery and procedures (O75.4)

Frequently asked questions

What is ICD-10 code I47?

I47 is the ICD-10-CM code for paroxysmal tachycardia, in the block I30-I5A (Other forms of heart disease).

Is I47 a billable code?

No. I47 is a header code with more specific child codes; report one of the billable codes listed above.

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.