I47.21 Torsades de pointes
Instructional Notes:
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I47.21
Description: Torsades de pointes
Use Additional Code:
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Code Also: [', if applicable, long QT syndrome (I45.81)']
↓
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I47.2
Description: Ventricular tachycardia
↓
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I47
Description: Paroxysmal tachycardia
Exclude1:
- 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)
↓
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I30-I5A
Description: Other forms of heart disease (I30-I5A)
↓
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I00-I99
Description: Diseases of the circulatory system
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)