R00.1 – Bradycardia, unspecified

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the circulatory and respiratory systems

Billable code

ICD-10-CM code R00.1
Code
R00.1 (claims format: R001)
Description
Bradycardia, unspecified
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block
R00-R09 Symptoms and signs involving the circulatory and respiratory systems
Parent codes
R00

Notes for R00.1

Applicable to:
  • Sinoatrial bradycardia
  • Sinus bradycardia
  • Slow heart beat
  • Vagal bradycardia
Excludes1 (not coded here):
Use additional code:
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

R00 – Abnormalities of heart beat

Excludes1 (not coded here):
  • abnormalities originating in the perinatal period (P29.1-)
Excludes2 (not included here):
  • specified arrhythmias (I47-I49)

Index terms for R00.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R00

Frequently asked questions

What is ICD-10 code R00.1?

R00.1 is the ICD-10-CM code for bradycardia, unspecified, in the block R00-R09 (Symptoms and signs involving the circulatory and respiratory systems).

Is R00.1 a billable code?

Yes. R00.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R00.1 belong to?

It belongs to category R00 – Abnormalities of heart beat.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.