ICD-10-CM 2027
ICD-10 code for Torsades de pointes
From the official ICD-10-CM alphabetic index entry “Torsades de pointes”. Page updated September 29, 2026.
About coding Torsades de pointes
The ICD-10-CM code for Torsades de pointes is I47.21 (Torsades de pointes).
Within I47.2 (ventricular tachycardia), I47.21 is specifically for Torsades de pointes. Related codes cover unspecified (I47.20), Catecholaminergic polymorphic ventricular tachycardia [CPVT] (I47.22) and other ventricular tachycardia (I47.29).
Code first tachycardia complicating: abortion or ectopic or molar pregnancy (O00-O07, O08.8) and obstetric surgery and procedures (O75.4).
Use an additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
Common questions about Torsades de pointes ICD-10 codes
What is the ICD-10 code for Torsades de pointes?
- I47.21 — Torsades de pointes.
Is I47.21 billable?
- Yes. I47.21 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I47.21 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I47.21 as a principal diagnosis.
Is I47.21 a CC or MCC?
- I47.21 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.