ICD-10-CM 2027
ICD-10 code for paroxysmal tachycardia
From the official ICD-10-CM alphabetic index entry “Tachycardia › paroxysmal (sustained) (nonsustained)”. Page updated September 29, 2026.
About coding paroxysmal tachycardia
The ICD-10-CM code for paroxysmal tachycardia is I47.9 (Paroxysmal tachycardia, unspecified). The official index lists 15 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on I47.9.
Within I47, choose I47.9 (unspecified) only when documentation doesn't support a more specific option: Re-entry ventricular arrhythmia (I47.0), supraventricular tachycardia (I47.1) and ventricular tachycardia (I47.2).
Code first tachycardia complicating: abortion or ectopic or molar pregnancy (O00-O07, O08.8) and obstetric surgery and procedures (O75.4).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific paroxysmal tachycardia codes (official index)
- with sinus bradycardia I49.5 — Sick sinus syndrome
- atrial (PAT) I47.19 — Other supraventricular tachycardia
- atrioventricular (AV) (re-entrant) I47.19 — Other supraventricular tachycardia
- psychogenic F54 — Psychological and behavioral factors associated with disorders or diseases classified elsewhere
- junctional I47.19 — Other supraventricular tachycardia
- ectopic I47.19 — Other supraventricular tachycardia
- nodal I47.19 — Other supraventricular tachycardia
- psychogenic (atrial) (supraventricular) (ventricular) F54 — Psychological and behavioral factors associated with disorders or diseases classified elsewhere
- supraventricular (sustained) I47.10 — Supraventricular tachycardia, unspecified
- psychogenic F54 — Psychological and behavioral factors associated with disorders or diseases classified elsewhere
- ventricular I47.20 — Ventricular tachycardia, unspecified
- catecholaminergic polymorphic (CPVT) I47.22 — Catecholaminergic polymorphic ventricular tachycardia [CPVT]
- familial polymorphic (FPVT) I47.22 — Catecholaminergic polymorphic ventricular tachycardia [CPVT]
- psychogenic F54 — Psychological and behavioral factors associated with disorders or diseases classified elsewhere
- specified type NEC I47.29 — Other ventricular tachycardia
Common questions about paroxysmal tachycardia ICD-10 codes
What is the ICD-10 code for paroxysmal tachycardia?
- I47.9 — Paroxysmal tachycardia, unspecified. More specific codes apply when the documentation supports them: I49.5, I47.19, I47.19, F54 and others below.
What is the ICD-10 code for atrial paroxysmal tachycardia?
- I47.19 — Other supraventricular tachycardia.
What is the ICD-10 code for atrioventricular paroxysmal tachycardia?
- I47.19 — Other supraventricular tachycardia.
What is the ICD-10 code for junctional paroxysmal tachycardia?
- I47.19 — Other supraventricular tachycardia.
What is the ICD-10 code for nodal paroxysmal tachycardia?
- I47.19 — Other supraventricular tachycardia.
What is the ICD-10 code for psychogenic paroxysmal tachycardia?
- F54 — Psychological and behavioral factors associated with disorders or diseases classified elsewhere.
What is the ICD-10 code for supraventricular paroxysmal tachycardia?
- I47.10 — Supraventricular tachycardia, unspecified.
Is I47.9 billable?
- Yes. I47.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I47.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I47.9 as a principal diagnosis.
Is I47.9 a CC or MCC?
- No. I47.9 is neither a CC nor an MCC under MS-DRG v44.0.