R00.1 ICD-10-CM Code: Bradycardia, unspecified
R00.1 is the billable ICD-10-CM code for “Bradycardia, unspecified” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
R00.1Bradycardia, unspecified
ICD-10-CM diagnosis code · United States clinical modification
Where R00.1 sits
- 1
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- 2
Section
Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
- 3
Category R00
Abnormalities of heart beat
- 4
Code R00.1
Bradycardia, unspecified
Notes for this code
Inclusion terms
- Sinoatrial bradycardia
- Sinus bradycardia
- Slow heart beat
- Vagal bradycardia
Code first
No “code first” instruction is listed for R00.1.
Use additional code
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes1
Conditions that should not be reported together with this code.
- neonatal bradycardia (P29.12)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for R00.1.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code R00.1 mean?
R00.1 is the FY 2027 U.S. ICD-10-CM code for “Bradycardia, unspecified.”
Is R00.1 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, R00.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is R00.1 located in ICD-10-CM?
R00.1 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Symptoms and signs involving the circulatory and respiratory systems (R00-R09) (R00–R09), under category R00, Abnormalities of heart beat.
What coding notes are listed for R00.1?
Its listed inclusion terms are Sinoatrial bradycardia; Sinus bradycardia; Slow heart beat; Vagal bradycardia. No code-first instruction is listed. Additional-code instructions: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5). Excludes1 notes: neonatal bradycardia (P29.12). No Excludes2 note is listed.