ICD-10-CM R00: Abnormalities of heart beat

ICD-10-CM Diagnosis Code (2025)

Official Description for R00

Abnormalities of heart beat

Coding Notes & Guidelines for R00

Excludes1: Not Coded Here

abnormalities originating in the perinatal period (P29.1-)

Excludes1: Not Coded Here
  • inappropriate sinus tachycardia, so stated (I47.11)
  • neonatal tachycardia (P29.11)
  • paroxysmal tachycardia (I47.-)
Excludes1: Not Coded Here

neonatal bradycardia (P29.12)

Excludes2: Not Included Here

specified arrhythmias (I47-I49)

Use Additional Code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion Terms
  • Rapid heart beat
  • Sinoauricular tachycardia NOS
  • Sinus [sinusal] tachycardia NOS
Inclusion Terms
  • Sinoatrial bradycardia
  • Sinus bradycardia
  • Slow heart beat
  • Vagal bradycardia
Inclusion Terms

Awareness of heart beat

Child Codes (More Specific Codes for R00):

R00.0 - Tachycardia, unspecified R00.1 - Bradycardia, unspecified R00.2 - Palpitations R00.8 - Other abnormalities of heart beat R00.9 - Unspecified abnormalities of heart beat

About ICD-10-CM Code R00 (Abnormalities of heart beat)

ICD-10-CM code R00 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM R00 became effective on October 1, 2024.

This page provides detailed information about R00 - Abnormalities of heart beat. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Abnormalities of heart beat.