ICD-10-CM 2027
ICD-10 code for rhythm
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Rhythm”. Page updated September 29, 2026.
About coding rhythm
The official ICD-10-CM index doesn't give a single default code for rhythm; the code depends on the details below.
More specific rhythm codes (official index)
- atrioventricular nodal I49.89 — Other specified cardiac arrhythmias not elsewhere classified
- disorder I49.9 — Cardiac arrhythmia, unspecified
- coronary sinus I49.89 — Other specified cardiac arrhythmias not elsewhere classified
- ectopic I49.89 — Other specified cardiac arrhythmias not elsewhere classified
- nodal I49.89 — Other specified cardiac arrhythmias not elsewhere classified
- escape I49.9 — Cardiac arrhythmia, unspecified
- heart, abnormal I49.9 — Cardiac arrhythmia, unspecified
- idioventricular I44.2 — Atrioventricular block, complete
- nodal I49.89 — Other specified cardiac arrhythmias not elsewhere classified
- sleep, inversion G47.2 — Circadian rhythm sleep disorders
- nonorganic origin
Common questions about rhythm ICD-10 codes
What is the ICD-10 code for atrioventricular nodal rhythm?
- I49.89 — Other specified cardiac arrhythmias not elsewhere classified.
What is the ICD-10 code for disorder rhythm?
- I49.9 — Cardiac arrhythmia, unspecified.
What is the ICD-10 code for escape rhythm?
- I49.9 — Cardiac arrhythmia, unspecified.
What is the ICD-10 code for idioventricular rhythm?
- I44.2 — Atrioventricular block, complete.
What is the ICD-10 code for nodal rhythm?
- I49.89 — Other specified cardiac arrhythmias not elsewhere classified.