U.S. ICD-10-CM · FY 2027

I47 ICD-10-CM Code: Paroxysmal tachycardia

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

I47

Paroxysmal tachycardia

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where I47 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Other forms of heart disease (I30-I5A)

  3. 3

    Category I47

    Paroxysmal tachycardia

  4. 4

    Code I47

    Paroxysmal tachycardia

More specific choices

Codes under I47

I47 is a non-billable category. Choose the child code that best matches the documented diagnosis.

I47.0

Re-entry ventricular arrhythmia

I47.1

Supraventricular tachycardia

I47.2

Ventricular tachycardia

I47.9

Paroxysmal tachycardia, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I47.

Code first

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

Use additional code

No “use additional code” instruction is listed for I47.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for I47.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code I47 mean?

I47 is the FY 2027 U.S. ICD-10-CM code for “Paroxysmal tachycardia.”

Is I47 a billable or specific ICD-10-CM code?

No. I47 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is I47 located in ICD-10-CM?

I47 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Other forms of heart disease (I30-I5A) (I30–I5A), under category I47, Paroxysmal tachycardia.

What coding notes are listed for I47?

No inclusion terms are listed for I47 in this reference record. Code-first instructions: tachycardia complicating:; abortion or ectopic or molar pregnancy (O00-O07, O08.8); obstetric surgery and procedures (O75.4). Excludes1 notes: tachycardia NOS (R00.0); sinoauricular tachycardia NOS (R00.0); sinus [sinusal] tachycardia NOS (R00.0). No Excludes2 note is listed.

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