R00.8

Billable
ChapterR00–R99
Ranksubcategory
Official Description

Other abnormalities of heart beat

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).
General instructions are available for the parent sections:
View CH18 NotesView R00 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R00-R09Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
R00Abnormalities of heart beat
R00.8Other abnormalities of heart beat

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R00.8:

categoryR00
Abnormalities of heart beat
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R00.8. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

9 raw paths
Abnormal, abnormality, abnormalities1 unique routes
heart
rate
specified NEC→R00.8
Bigeminal pulse1 unique routes
Direct index entry→R00.8
Coupled rhythm1 unique routes
Direct index entry→R00.8
Gallop rhythm1 unique routes
Direct index entry→R00.8
Heart beat1 unique routes
abnormality
specified NEC→R00.8
Pulse2 unique routes
alternating→R00.8
bigeminal→R00.8
Pulsus alternans or trigeminus1 unique routes
Direct index entry→R00.8
Trigeminy1 unique routes
Direct index entry→R00.8

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 314
Other Circulatory System Diagnoses with MCC
DRG 315
Other Circulatory System Diagnoses with CC
DRG 316
Other Circulatory System Diagnoses without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

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